425333533 has 4 divisors (see below), whose sum is σ = 433358748. Its totient is φ = 417308320.

The previous prime is 425333501. The next prime is 425333653. The reversal of 425333533 is 335333524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 367603929 + 57729604 = 19173^2 + 7598^2 .

It is a cyclic number.

It is not a de Polignac number, because 425333533 - 2⁵ = 425333501 is a prime.

It is a super-2 number, since 2×425333533² = 361817228588524178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425333495 and 425333504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425303533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012528 + ... + 4012633.

It is an arithmetic number, because the mean of its divisors is an integer number (108339687).

Almost surely, 2^425333533 is an apocalyptic number.

It is an amenable number.

425333533 is a deficient number, since it is larger than the sum of its proper divisors (8025215).

425333533 is an equidigital number, since it uses as much as digits as its factorization.

425333533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025214.

The product of its digits is 48600, while the sum is 31.

The square root of 425333533 is about 20623.6159050735. The cubic root of 425333533 is about 752.0439258001.

Subtracting from 425333533 its reverse (335333524), we obtain a palindrome (90000009).

The spelling of 425333533 in words is "four hundred twenty-five million, three hundred thirty-three thousand, five hundred thirty-three".