425233031 has 4 divisors (see below), whose sum is σ = 425865552. Its totient is φ = 424600512.

The previous prime is 425233009. The next prime is 425233049. The reversal of 425233031 is 130332524.

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

It is a cyclic number.

It is not a de Polignac number, because 425233031 - 2¹⁰ = 425232007 is a prime.

It is a super-2 number, since 2×425233031² = 361646261306893922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425232988 and 425233006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425233051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315251 + ... + 316596.

It is an arithmetic number, because the mean of its divisors is an integer number (106466388).

Almost surely, 2^425233031 is an apocalyptic number.

425233031 is a deficient number, since it is larger than the sum of its proper divisors (632521).

425233031 is an equidigital number, since it uses as much as digits as its factorization.

425233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632520.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 425233031 is about 20621.1791854879. The cubic root of 425233031 is about 751.9846876833.

Adding to 425233031 its reverse (130332524), we get a palindrome (555565555).

It can be divided in two parts, 42523 and 3031, that added together give a palindrome (45554).

The spelling of 425233031 in words is "four hundred twenty-five million, two hundred thirty-three thousand, thirty-one".