677253531 has 32 divisors (see below), whose sum is σ = 971343360. Its totient is φ = 418235904.

The previous prime is 677253431. The next prime is 677253553. The reversal of 677253531 is 135352776.

It is not a de Polignac number, because 677253531 - 2¹⁰ = 677252507 is a prime.

It is a super-2 number, since 2×677253531² = 917344690503935922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 677253531.

It is not an unprimeable number, because it can be changed into a prime (677253431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1202656 + ... + 1203218.

It is an arithmetic number, because the mean of its divisors is an integer number (30354480).

Almost surely, 2^677253531 is an apocalyptic number.

677253531 is a deficient number, since it is larger than the sum of its proper divisors (294089829).

677253531 is a wasteful number, since it uses less digits than its factorization.

677253531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its digits is 132300, while the sum is 39.

The square root of 677253531 is about 26024.0952004099. The cubic root of 677253531 is about 878.1804392686.

The spelling of 677253531 in words is "six hundred seventy-seven million, two hundred fifty-three thousand, five hundred thirty-one".