654952605 has 16 divisors (see below), whose sum is σ = 1049474880. Its totient is φ = 348791168.

The previous prime is 654952601. The next prime is 654952609. The reversal of 654952605 is 506259456.

It is an interprime number because it is at equal distance from previous prime (654952601) and next prime (654952609).

It is a cyclic number.

It is not a de Polignac number, because 654952605 - 2² = 654952601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654952601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21720 + ... + 42209.

It is an arithmetic number, because the mean of its divisors is an integer number (65592180).

Almost surely, 2^654952605 is an apocalyptic number.

It is an amenable number.

654952605 is a deficient number, since it is larger than the sum of its proper divisors (394522275).

654952605 is a wasteful number, since it uses less digits than its factorization.

654952605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64620.

The product of its (nonzero) digits is 324000, while the sum is 42.

The square root of 654952605 is about 25592.0418294438. The cubic root of 654952605 is about 868.4336129960.

The spelling of 654952605 in words is "six hundred fifty-four million, nine hundred fifty-two thousand, six hundred five".