52261605 has 40 divisors (see below), whose sum is σ = 102209184. Its totient is φ = 25336800.

The previous prime is 52261597. The next prime is 52261613. The reversal of 52261605 is 50616225.

52261605 is a `hidden beast` number, since 52 + 2 + 6 + 1 + 605 = 666.

It is an interprime number because it is at equal distance from previous prime (52261597) and next prime (52261613).

It is not a de Polignac number, because 52261605 - 2³ = 52261597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1411 + ... + 10320.

Almost surely, 2^52261605 is an apocalyptic number.

52261605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52261605 is a deficient number, since it is larger than the sum of its proper divisors (49947579).

52261605 is a wasteful number, since it uses less digits than its factorization.

52261605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11759 (or 11750 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 52261605 is about 7229.2188374678. The cubic root of 52261605 is about 373.8759943294.

The spelling of 52261605 in words is "fifty-two million, two hundred sixty-one thousand, six hundred five".