52031517 has 4 divisors (see below), whose sum is σ = 69375360. Its totient is φ = 34687676.

The previous prime is 52031513. The next prime is 52031521. The reversal of 52031517 is 71513025.

52031517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52031513) and next prime (52031521).

It is a cyclic number.

It is not a de Polignac number, because 52031517 - 2² = 52031513 is a prime.

It is a super-2 number, since 2×52031517² = 5414557522642578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52031513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8671917 + ... + 8671922.

It is an arithmetic number, because the mean of its divisors is an integer number (17343840).

Almost surely, 2^52031517 is an apocalyptic number.

It is an amenable number.

52031517 is a deficient number, since it is larger than the sum of its proper divisors (17343843).

52031517 is a wasteful number, since it uses less digits than its factorization.

52031517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343842.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 52031517 is about 7213.2875306617. The cubic root of 52031517 is about 373.3265091404.

The spelling of 52031517 in words is "fifty-two million, thirty-one thousand, five hundred seventeen".