252133151 has 4 divisors (see below), whose sum is σ = 253030704. Its totient is φ = 251235600.

The previous prime is 252133139. The next prime is 252133157. The reversal of 252133151 is 151331252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252133151 is a prime.

It is a super-2 number, since 2×252133151² = 127142251666377602, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252133157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448355 + ... + 448916.

It is an arithmetic number, because the mean of its divisors is an integer number (63257676).

Almost surely, 2^252133151 is an apocalyptic number.

252133151 is a deficient number, since it is larger than the sum of its proper divisors (897553).

252133151 is an equidigital number, since it uses as much as digits as its factorization.

252133151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897552.

The product of its digits is 900, while the sum is 23.

The square root of 252133151 is about 15878.7011748442. The cubic root of 252133151 is about 631.7471874790.

The spelling of 252133151 in words is "two hundred fifty-two million, one hundred thirty-three thousand, one hundred fifty-one".