652331551 has 2 divisors, whose sum is σ = 652331552. Its totient is φ = 652331550.

The previous prime is 652331521. The next prime is 652331567. The reversal of 652331551 is 155133256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652331551 - 2⁹ = 652331039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652331521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326165775 + 326165776.

It is an arithmetic number, because the mean of its divisors is an integer number (326165776).

Almost surely, 2^652331551 is an apocalyptic number.

652331551 is a deficient number, since it is larger than the sum of its proper divisors (1).

652331551 is an equidigital number, since it uses as much as digits as its factorization.

652331551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 31.

The square root of 652331551 is about 25540.7821141014. The cubic root of 652331551 is about 867.2736030780.

The spelling of 652331551 in words is "six hundred fifty-two million, three hundred thirty-one thousand, five hundred fifty-one".