254321864 has 16 divisors (see below), whose sum is σ = 478299120. Its totient is φ = 126775440.

The previous prime is 254321857. The next prime is 254321867. The reversal of 254321864 is 468123452.

It is a super-2 number, since 2×254321864² = 129359221016868992, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (254321867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45374 + ... + 50669.

It is an arithmetic number, because the mean of its divisors is an integer number (29893695).

Almost surely, 2^254321864 is an apocalyptic number.

It is an amenable number.

254321864 is a deficient number, since it is larger than the sum of its proper divisors (223977256).

254321864 is a wasteful number, since it uses less digits than its factorization.

254321864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96380 (or 96376 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 254321864 is about 15947.4720253713. The cubic root of 254321864 is about 633.5699432333.

The spelling of 254321864 in words is "two hundred fifty-four million, three hundred twenty-one thousand, eight hundred sixty-four".