655202551 has 2 divisors, whose sum is σ = 655202552. Its totient is φ = 655202550.

The previous prime is 655202543. The next prime is 655202557. The reversal of 655202551 is 155202556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655202551 - 2³ = 655202543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655202557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327601275 + 327601276.

It is an arithmetic number, because the mean of its divisors is an integer number (327601276).

Almost surely, 2^655202551 is an apocalyptic number.

655202551 is a deficient number, since it is larger than the sum of its proper divisors (1).

655202551 is an equidigital number, since it uses as much as digits as its factorization.

655202551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 655202551 is about 25596.9246394953. The cubic root of 655202551 is about 868.5440708114.

The spelling of 655202551 in words is "six hundred fifty-five million, two hundred two thousand, five hundred fifty-one".