653130691 has 2 divisors, whose sum is σ = 653130692. Its totient is φ = 653130690.

The previous prime is 653130679. The next prime is 653130707. The reversal of 653130691 is 196031356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653130691 - 2¹⁵ = 653097923 is a prime.

It is a super-2 number, since 2×653130691² = 853159399052274962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (653130631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326565345 + 326565346.

It is an arithmetic number, because the mean of its divisors is an integer number (326565346).

Almost surely, 2^653130691 is an apocalyptic number.

653130691 is a deficient number, since it is larger than the sum of its proper divisors (1).

653130691 is an equidigital number, since it uses as much as digits as its factorization.

653130691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 653130691 is about 25556.4217174471. The cubic root of 653130691 is about 867.6276102807.

The spelling of 653130691 in words is "six hundred fifty-three million, one hundred thirty thousand, six hundred ninety-one".