52015651 has 8 divisors (see below), whose sum is σ = 52920320. Its totient is φ = 51114888.

The previous prime is 52015643. The next prime is 52015669. The reversal of 52015651 is 15651025.

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 52015651 - 2³ = 52015643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52085651) 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, 40030 + ... + 41308.

It is an arithmetic number, because the mean of its divisors is an integer number (6615040).

Almost surely, 2^52015651 is an apocalyptic number.

52015651 is a deficient number, since it is larger than the sum of its proper divisors (904669).

52015651 is a wasteful number, since it uses less digits than its factorization.

52015651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 52015651 is about 7212.1876708805. The cubic root of 52015651 is about 373.2885590614.

Adding to 52015651 its reverse (15651025), we get a palindrome (67666676).

The spelling of 52015651 in words is "fifty-two million, fifteen thousand, six hundred fifty-one".