15252051 has 4 divisors (see below), whose sum is σ = 20336072. Its totient is φ = 10168032.

The previous prime is 15252023. The next prime is 15252091. The reversal of 15252051 is 15025251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15025251 = 3 ⋅5008417.

It is not a de Polignac number, because 15252051 - 2⁶ = 15251987 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542006 + ... + 2542011.

It is an arithmetic number, because the mean of its divisors is an integer number (5084018).

Almost surely, 2^15252051 is an apocalyptic number.

15252051 is a deficient number, since it is larger than the sum of its proper divisors (5084021).

15252051 is an equidigital number, since it uses as much as digits as its factorization.

15252051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084020.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 15252051 is about 3905.3874327652. The cubic root of 15252051 is about 247.9948999558.

The spelling of 15252051 in words is "fifteen million, two hundred fifty-two thousand, fifty-one".