52212507 has 8 divisors (see below), whose sum is σ = 72643584. Its totient is φ = 33294888.

The previous prime is 52212493. The next prime is 52212521. The reversal of 52212507 is 70521225.

It is an interprime number because it is at equal distance from previous prime (52212493) and next prime (52212521).

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

It is not a de Polignac number, because 52212507 - 2⁷ = 52212379 is a prime.

It is a super-2 number, since 2×52212507² = 5452291774450098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52212577) 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, 378283 + ... + 378420.

It is an arithmetic number, because the mean of its divisors is an integer number (9080448).

Almost surely, 2^52212507 is an apocalyptic number.

52212507 is a deficient number, since it is larger than the sum of its proper divisors (20431077).

52212507 is a wasteful number, since it uses less digits than its factorization.

52212507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756729.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 52212507 is about 7225.8222369499. The cubic root of 52212507 is about 373.7588763864.

The spelling of 52212507 in words is "fifty-two million, two hundred twelve thousand, five hundred seven".