655252951 has 2 divisors, whose sum is σ = 655252952. Its totient is φ = 655252950.

The previous prime is 655252933. The next prime is 655252993. The reversal of 655252951 is 159252556.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 655252951 - 2⁹ = 655252439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655252901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327626475 + 327626476.

It is an arithmetic number, because the mean of its divisors is an integer number (327626476).

Almost surely, 2^655252951 is an apocalyptic number.

655252951 is a deficient number, since it is larger than the sum of its proper divisors (1).

655252951 is an equidigital number, since it uses as much as digits as its factorization.

655252951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 135000, while the sum is 40.

The square root of 655252951 is about 25597.9091138319. The cubic root of 655252951 is about 868.5663405145.

The spelling of 655252951 in words is "six hundred fifty-five million, two hundred fifty-two thousand, nine hundred fifty-one".