52100409 has 8 divisors (see below), whose sum is σ = 69556320. Its totient is φ = 34689056.

The previous prime is 52100401. The next prime is 52100417. The reversal of 52100409 is 90400125.

It is an interprime number because it is at equal distance from previous prime (52100401) and next prime (52100417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52100409 - 2³ = 52100401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52100401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8307 + ... + 13160.

It is an arithmetic number, because the mean of its divisors is an integer number (8694540).

Almost surely, 2^52100409 is an apocalyptic number.

It is an amenable number.

52100409 is a deficient number, since it is larger than the sum of its proper divisors (17455911).

52100409 is a wasteful number, since it uses less digits than its factorization.

52100409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22279.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 52100409 is about 7218.0613048103. The cubic root of 52100409 is about 373.4912033397.

The spelling of 52100409 in words is "fifty-two million, one hundred thousand, four hundred nine".