425456533 has 2 divisors, whose sum is σ = 425456534. Its totient is φ = 425456532.

The previous prime is 425456527. The next prime is 425456573. The reversal of 425456533 is 335654524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404130609 + 21325924 = 20103^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 425456533 - 2²⁵ = 391902101 is a prime.

It is a super-2 number, since 2×425456533² = 362026522944760178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425456492 and 425456501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425456573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212728266 + 212728267.

It is an arithmetic number, because the mean of its divisors is an integer number (212728267).

Almost surely, 2^425456533 is an apocalyptic number.

It is an amenable number.

425456533 is a deficient number, since it is larger than the sum of its proper divisors (1).

425456533 is an equidigital number, since it uses as much as digits as its factorization.

425456533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 37.

The square root of 425456533 is about 20626.5977078141. The cubic root of 425456533 is about 752.1164120417.

The spelling of 425456533 in words is "four hundred twenty-five million, four hundred fifty-six thousand, five hundred thirty-three".