254497656 has 32 divisors (see below), whose sum is σ = 727136640. Its totient is φ = 72713568.

The previous prime is 254497651. The next prime is 254497703. The reversal of 254497656 is 656794452.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254497651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757266 + ... + 757601.

It is an arithmetic number, because the mean of its divisors is an integer number (22723020).

Almost surely, 2^254497656 is an apocalyptic number.

It is an amenable number.

254497656 is an abundant number, since it is smaller than the sum of its proper divisors (472638984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254497656 is a wasteful number, since it uses less digits than its factorization.

254497656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514883 (or 1514879 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 48.

The square root of 254497656 is about 15952.9826678274. The cubic root of 254497656 is about 633.7158880526.

The spelling of 254497656 in words is "two hundred fifty-four million, four hundred ninety-seven thousand, six hundred fifty-six".