653212051 has 2 divisors, whose sum is σ = 653212052. Its totient is φ = 653212050.

The previous prime is 653212033. The next prime is 653212057. The reversal of 653212051 is 150212356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 653212051 - 2⁵ = 653212019 is a prime.

It is not a weakly prime, because it can be changed into another prime (653212057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326606025 + 326606026.

It is an arithmetic number, because the mean of its divisors is an integer number (326606026).

Almost surely, 2^653212051 is an apocalyptic number.

653212051 is a deficient number, since it is larger than the sum of its proper divisors (1).

653212051 is an equidigital number, since it uses as much as digits as its factorization.

653212051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 653212051 is about 25558.0134400152. The cubic root of 653212051 is about 867.6636353582.

The spelling of 653212051 in words is "six hundred fifty-three million, two hundred twelve thousand, fifty-one".