15252001 has 4 divisors (see below), whose sum is σ = 15280432. Its totient is φ = 15223572.

The previous prime is 15251987. The next prime is 15252011. The reversal of 15252001 is 10025251.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15252001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15252011) 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 3 ways as a sum of consecutive naturals, for example, 13395 + ... + 14488.

It is an arithmetic number, because the mean of its divisors is an integer number (3820108).

Almost surely, 2^15252001 is an apocalyptic number.

It is an amenable number.

15252001 is a deficient number, since it is larger than the sum of its proper divisors (28431).

15252001 is an equidigital number, since it uses as much as digits as its factorization.

15252001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28430.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 15252001 is about 3905.3810313464. The cubic root of 15252001 is about 247.9946289593.

Adding to 15252001 its reverse (10025251), we get a palindrome (25277252).

The spelling of 15252001 in words is "fifteen million, two hundred fifty-two thousand, one".