647352954 has 12 divisors (see below), whose sum is σ = 1402598106. Its totient is φ = 215784312.

The previous prime is 647352941. The next prime is 647352983. The reversal of 647352954 is 459253746.

647352954 is a `hidden beast` number, since 6 + 4 + 73 + 529 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 393109929 + 254243025 = 19827^2 + 15945^2 .

It is a super-2 number, since 2×647352954² = 838131694105052232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17982009 + ... + 17982044.

Almost surely, 2^647352954 is an apocalyptic number.

647352954 is an abundant number, since it is smaller than the sum of its proper divisors (755245152).

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

647352954 is a wasteful number, since it uses less digits than its factorization.

647352954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35964061 (or 35964058 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 647352954 is about 25443.1317647808. The cubic root of 647352954 is about 865.0616210125.

The spelling of 647352954 in words is "six hundred forty-seven million, three hundred fifty-two thousand, nine hundred fifty-four".