52149907 has 2 divisors, whose sum is σ = 52149908. Its totient is φ = 52149906.

The previous prime is 52149893. The next prime is 52149949. The reversal of 52149907 is 70994125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52149907 - 2²³ = 43761299 is a prime.

It is a super-2 number, since 2×52149907² = 5439225600217298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52149107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26074953 + 26074954.

It is an arithmetic number, because the mean of its divisors is an integer number (26074954).

Almost surely, 2^52149907 is an apocalyptic number.

52149907 is a deficient number, since it is larger than the sum of its proper divisors (1).

52149907 is an equidigital number, since it uses as much as digits as its factorization.

52149907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 52149907 is about 7221.4892508402. The cubic root of 52149907 is about 373.6094443573.

The spelling of 52149907 in words is "fifty-two million, one hundred forty-nine thousand, nine hundred seven".