15151201 has 8 divisors (see below), whose sum is σ = 16355304. Its totient is φ = 13952640.

The previous prime is 15151193. The next prime is 15151217. The reversal of 15151201 is 10215151.

It can be written as a sum of positive squares in 4 ways, for example, as 893025 + 14258176 = 945^2 + 3776^2 .

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

It is not a de Polignac number, because 15151201 - 2³ = 15151193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15151261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5655 + ... + 7891.

It is an arithmetic number, because the mean of its divisors is an integer number (2044413).

Almost surely, 2^15151201 is an apocalyptic number.

It is an amenable number.

15151201 is a deficient number, since it is larger than the sum of its proper divisors (1204103).

15151201 is a wasteful number, since it uses less digits than its factorization.

15151201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 15151201 is about 3892.4543671057. The cubic root of 15151201 is about 247.4470913670.

Adding to 15151201 its reverse (10215151), we get a palindrome (25366352).

The spelling of 15151201 in words is "fifteen million, one hundred fifty-one thousand, two hundred one".