425535231 has 16 divisors (see below), whose sum is σ = 619344000. Its totient is φ = 257740320.

The previous prime is 425535197. The next prime is 425535239. The reversal of 425535231 is 132535524.

It is not a de Polignac number, because 425535231 - 2¹⁵ = 425502463 is a prime.

It is a super-2 number, since 2×425535231² = 362160465644446722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425535239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71145 + ... + 76893.

It is an arithmetic number, because the mean of its divisors is an integer number (38709000).

Almost surely, 2^425535231 is an apocalyptic number.

425535231 is a deficient number, since it is larger than the sum of its proper divisors (193808769).

425535231 is a wasteful number, since it uses less digits than its factorization.

425535231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8006.

The product of its digits is 18000, while the sum is 30.

The square root of 425535231 is about 20628.5053021299. The cubic root of 425535231 is about 752.1627829426.

The spelling of 425535231 in words is "four hundred twenty-five million, five hundred thirty-five thousand, two hundred thirty-one".