531440025045 has 16 divisors (see below), whose sum is σ = 879624869760. Its totient is φ = 273661070144.

The previous prime is 531440025043. The next prime is 531440025049. The reversal of 531440025045 is 540520044135.

It is a cyclic number.

It is not a de Polignac number, because 531440025045 - 2¹ = 531440025043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531440024997 and 531440025015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531440025041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 610850169 + ... + 610851038.

It is an arithmetic number, because the mean of its divisors is an integer number (54976554360).

Almost surely, 2^531440025045 is an apocalyptic number.

It is an amenable number.

531440025045 is a deficient number, since it is larger than the sum of its proper divisors (348184844715).

531440025045 is a wasteful number, since it uses less digits than its factorization.

531440025045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221701244.

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 531440025045 in words is "five hundred thirty-one billion, four hundred forty million, twenty-five thousand, forty-five".