425869031 has 16 divisors (see below), whose sum is σ = 504878400. Its totient is φ = 351472128.

The previous prime is 425869019. The next prime is 425869043. The reversal of 425869031 is 130968524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (425869019) and next prime (425869043).

It is not a de Polignac number, because 425869031 - 2⁶ = 425868967 is a prime.

It is a super-2 number, since 2×425869031² = 362728863129757922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425869051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76271 + ... + 81663.

It is an arithmetic number, because the mean of its divisors is an integer number (31554900).

Almost surely, 2^425869031 is an apocalyptic number.

425869031 is a deficient number, since it is larger than the sum of its proper divisors (79009369).

425869031 is a wasteful number, since it uses less digits than its factorization.

425869031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5818.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 425869031 is about 20636.5944622653. The cubic root of 425869031 is about 752.3594030251.

The spelling of 425869031 in words is "four hundred twenty-five million, eight hundred sixty-nine thousand, thirty-one".