652654431 has 24 divisors (see below), whose sum is σ = 1107536976. Its totient is φ = 365120640.

The previous prime is 652654423. The next prime is 652654447. The reversal of 652654431 is 134456256.

652654431 is a `hidden beast` number, since 65 + 26 + 544 + 31 = 666.

It is not a de Polignac number, because 652654431 - 2³ = 652654423 is a prime.

It is a super-2 number, since 2×652654431² = 851915612607867522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652654421) 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, 252270 + ... + 254843.

It is an arithmetic number, because the mean of its divisors is an integer number (46147374).

Almost surely, 2^652654431 is an apocalyptic number.

652654431 is a deficient number, since it is larger than the sum of its proper divisors (454882545).

652654431 is a wasteful number, since it uses less digits than its factorization.

652654431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507143 (or 507140 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 652654431 is about 25547.1022035768. The cubic root of 652654431 is about 867.4166689328.

It can be divided in two parts, 65265 and 4431, that added together give a palindrome (69696).

The spelling of 652654431 in words is "six hundred fifty-two million, six hundred fifty-four thousand, four hundred thirty-one".