531057465 has 80 divisors (see below), whose sum is σ = 1015331328. Its totient is φ = 264933504.

The previous prime is 531057463. The next prime is 531057473. The reversal of 531057465 is 564750135.

It is not a de Polignac number, because 531057465 - 2¹ = 531057463 is a prime.

It is a super-2 number, since 2×531057465² = 564044062264452450, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531057463) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 437199 + ... + 438411.

Almost surely, 2^531057465 is an apocalyptic number.

It is an amenable number.

531057465 is a deficient number, since it is larger than the sum of its proper divisors (484273863).

531057465 is a wasteful number, since it uses less digits than its factorization.

531057465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 531057465 is about 23044.6840941680. The cubic root of 531057465 is about 809.8050971390.

The spelling of 531057465 in words is "five hundred thirty-one million, fifty-seven thousand, four hundred sixty-five".