653234131 has 4 divisors (see below), whose sum is σ = 712619064. Its totient is φ = 593849200.

The previous prime is 653234111. The next prime is 653234143. The reversal of 653234131 is 131432356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 653234131 - 2¹³ = 653225939 is a prime.

It is a super-2 number, since 2×653234131² = 853429659806650322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653234131.

It is not an unprimeable number, because it can be changed into a prime (653234111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29692450 + ... + 29692471.

It is an arithmetic number, because the mean of its divisors is an integer number (178154766).

Almost surely, 2^653234131 is an apocalyptic number.

653234131 is a deficient number, since it is larger than the sum of its proper divisors (59384933).

653234131 is a wasteful number, since it uses less digits than its factorization.

653234131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59384932.

The product of its digits is 6480, while the sum is 28.

The square root of 653234131 is about 25558.4453948201. The cubic root of 653234131 is about 867.6734115594.

Adding to 653234131 its reverse (131432356), we get a palindrome (784666487).

The spelling of 653234131 in words is "six hundred fifty-three million, two hundred thirty-four thousand, one hundred thirty-one".