1097680531 has 16 divisors (see below), whose sum is σ = 1177897248. Its totient is φ = 1019289600.

The previous prime is 1097680513. The next prime is 1097680541. The reversal of 1097680531 is 1350867901.

It is a cyclic number.

It is not a de Polignac number, because 1097680531 - 2⁵ = 1097680499 is a prime.

It is a super-2 number, since 2×1097680531² = 2409805096272883922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097680511) 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, 461776 + ... + 464146.

It is an arithmetic number, because the mean of its divisors is an integer number (73618578).

Almost surely, 2^1097680531 is an apocalyptic number.

1097680531 is a deficient number, since it is larger than the sum of its proper divisors (80216717).

1097680531 is a wasteful number, since it uses less digits than its factorization.

1097680531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1097680531 is about 33131.2621401600. The cubic root of 1097680531 is about 1031.5540467864.

The spelling of 1097680531 in words is "one billion, ninety-seven million, six hundred eighty thousand, five hundred thirty-one".