531104425 has 6 divisors (see below), whose sum is σ = 658569518. Its totient is φ = 424883520.

The previous prime is 531104411. The next prime is 531104437. The reversal of 531104425 is 524401135.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 187224489 + 343879936 = 13683^2 + 18544^2 .

It is not a de Polignac number, because 531104425 - 2⁵ = 531104393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 21244177 = 531104425 / (5 + 3 + 1 + 1 + 0 + 4 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 531104425.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10622064 + ... + 10622113.

Almost surely, 2^531104425 is an apocalyptic number.

It is an amenable number.

531104425 is a deficient number, since it is larger than the sum of its proper divisors (127465093).

531104425 is a wasteful number, since it uses less digits than its factorization.

531104425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21244187 (or 21244182 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 531104425 is about 23045.7029617237. The cubic root of 531104425 is about 809.8289660728.

The spelling of 531104425 in words is "five hundred thirty-one million, one hundred four thousand, four hundred twenty-five".