252137151 has 32 divisors (see below), whose sum is σ = 432069120. Its totient is φ = 142333632.

The previous prime is 252137131. The next prime is 252137153. The reversal of 252137151 is 151731252.

It is not a de Polignac number, because 252137151 - 2⁷ = 252137023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252137153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7651 + ... + 23723.

It is an arithmetic number, because the mean of its divisors is an integer number (13502160).

Almost surely, 2^252137151 is an apocalyptic number.

252137151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

252137151 is a deficient number, since it is larger than the sum of its proper divisors (179931969).

252137151 is a wasteful number, since it uses less digits than its factorization.

252137151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16172 (or 16166 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 252137151 is about 15878.8271292309. The cubic root of 252137151 is about 631.7505282739.

The spelling of 252137151 in words is "two hundred fifty-two million, one hundred thirty-seven thousand, one hundred fifty-one".