897574131 has 24 divisors (see below), whose sum is σ = 1333702656. Its totient is φ = 581358960.

The previous prime is 897574129. The next prime is 897574147. The reversal of 897574131 is 131475798.

It is not a de Polignac number, because 897574131 - 2¹ = 897574129 is a prime.

It is a super-2 number, since 2×897574131² = 1611278641280810322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (897574121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67846 + ... + 79988.

It is an arithmetic number, because the mean of its divisors is an integer number (55570944).

Almost surely, 2^897574131 is an apocalyptic number.

897574131 is a deficient number, since it is larger than the sum of its proper divisors (436128525).

897574131 is a wasteful number, since it uses less digits than its factorization.

897574131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12383 (or 12380 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The square root of 897574131 is about 29959.5415685888. The cubic root of 897574131 is about 964.6211407993.

The spelling of 897574131 in words is "eight hundred ninety-seven million, five hundred seventy-four thousand, one hundred thirty-one".