653129131 has 2 divisors, whose sum is σ = 653129132. Its totient is φ = 653129130.

The previous prime is 653129129. The next prime is 653129153. The reversal of 653129131 is 131921356.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653129131 - 2¹ = 653129129 is a prime.

It is a super-2 number, since 2×653129131² = 853155323521630322, which contains 22 as substring.

Together with 653129129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 653129093 and 653129102.

It is not a weakly prime, because it can be changed into another prime (653129231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326564565 + 326564566.

It is an arithmetic number, because the mean of its divisors is an integer number (326564566).

Almost surely, 2^653129131 is an apocalyptic number.

653129131 is a deficient number, since it is larger than the sum of its proper divisors (1).

653129131 is an equidigital number, since it uses as much as digits as its factorization.

653129131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4860, while the sum is 31.

The square root of 653129131 is about 25556.3911967242. The cubic root of 653129131 is about 867.6269195051.

The spelling of 653129131 in words is "six hundred fifty-three million, one hundred twenty-nine thousand, one hundred thirty-one".