531400422025 has 36 divisors (see below), whose sum is σ = 755776377216. Its totient is φ = 369669810400.

The previous prime is 531400422011. The next prime is 531400422083. The reversal of 531400422025 is 520224004135.

It is not a de Polignac number, because 531400422025 - 2²⁵ = 531366867593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531400421984 and 531400422002.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3749329 + ... + 3888478.

It is an arithmetic number, because the mean of its divisors is an integer number (20993788256).

Almost surely, 2^531400422025 is an apocalyptic number.

531400422025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531400422025 is a deficient number, since it is larger than the sum of its proper divisors (224375955191).

531400422025 is a wasteful number, since it uses less digits than its factorization.

531400422025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637862 (or 7637846 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 531400422025 in words is "five hundred thirty-one billion, four hundred million, four hundred twenty-two thousand, twenty-five".