655254499 has 2 divisors, whose sum is σ = 655254500. Its totient is φ = 655254498.

The previous prime is 655254437. The next prime is 655254553. The reversal of 655254499 is 994452556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655254499 - 2⁷ = 655254371 is a prime.

It is not a weakly prime, because it can be changed into another prime (655254799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327627249 + 327627250.

It is an arithmetic number, because the mean of its divisors is an integer number (327627250).

Almost surely, 2^655254499 is an apocalyptic number.

655254499 is a deficient number, since it is larger than the sum of its proper divisors (1).

655254499 is an equidigital number, since it uses as much as digits as its factorization.

655254499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944000, while the sum is 49.

The square root of 655254499 is about 25597.9393506587. The cubic root of 655254499 is about 868.5670244944.

The spelling of 655254499 in words is "six hundred fifty-five million, two hundred fifty-four thousand, four hundred ninety-nine".