15252201 has 6 divisors (see below), whose sum is σ = 22030970. Its totient is φ = 10168128.

The previous prime is 15252187. The next prime is 15252203. The reversal of 15252201 is 10225251.

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 5517801 = 3120^2 + 2349^2 .

It is not a de Polignac number, because 15252201 - 2⁵ = 15252169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15252203) 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, 847336 + ... + 847353.

Almost surely, 2^15252201 is an apocalyptic number.

It is an amenable number.

15252201 is a deficient number, since it is larger than the sum of its proper divisors (6778769).

15252201 is a wasteful number, since it uses less digits than its factorization.

15252201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694695 (or 1694692 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 15252201 is about 3905.4066369586. The cubic root of 15252201 is about 247.9957129418.

Adding to 15252201 its reverse (10225251), we get a palindrome (25477452).

The spelling of 15252201 in words is "fifteen million, two hundred fifty-two thousand, two hundred one".