52015601 has 6 divisors (see below), whose sum is σ = 57174306. Its totient is φ = 47286800.

The previous prime is 52015591. The next prime is 52015637. The reversal of 52015601 is 10651025.

It can be written as a sum of positive squares in only one way, i.e., 37945600 + 14070001 = 6160^2 + 3751^2 .

It is not a de Polignac number, because 52015601 - 2²² = 47821297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52015501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214820 + ... + 215061.

It is an arithmetic number, because the mean of its divisors is an integer number (9529051).

Almost surely, 2^52015601 is an apocalyptic number.

It is an amenable number.

52015601 is a deficient number, since it is larger than the sum of its proper divisors (5158705).

52015601 is a wasteful number, since it uses less digits than its factorization.

52015601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429903 (or 429892 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 52015601 is about 7212.1842045250. The cubic root of 52015601 is about 373.2884394536.

Adding to 52015601 its reverse (10651025), we get a palindrome (62666626).

The spelling of 52015601 in words is "fifty-two million, fifteen thousand, six hundred one".