254536564 has 24 divisors (see below), whose sum is σ = 452827368. Its totient is φ = 125174400.

The previous prime is 254536549. The next prime is 254536573. The reversal of 254536564 is 465635452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 122102500 + 132434064 = 11050^2 + 11508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61422 + ... + 65434.

It is an arithmetic number, because the mean of its divisors is an integer number (18867807).

Almost surely, 2^254536564 is an apocalyptic number.

It is an amenable number.

254536564 is a deficient number, since it is larger than the sum of its proper divisors (198290804).

254536564 is a wasteful number, since it uses less digits than its factorization.

254536564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275 (or 4273 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The square root of 254536564 is about 15954.2020797030. The cubic root of 254536564 is about 633.7481808993.

The spelling of 254536564 in words is "two hundred fifty-four million, five hundred thirty-six thousand, five hundred sixty-four".