252061151 has 4 divisors (see below), whose sum is σ = 252726600. Its totient is φ = 251395704.

The previous prime is 252061099. The next prime is 252061171. The reversal of 252061151 is 151160252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 252061151 - 2¹⁸ = 251799007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252061171) 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, 332156 + ... + 332913.

It is an arithmetic number, because the mean of its divisors is an integer number (63181650).

Almost surely, 2^252061151 is an apocalyptic number.

252061151 is a deficient number, since it is larger than the sum of its proper divisors (665449).

252061151 is an equidigital number, since it uses as much as digits as its factorization.

252061151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665448.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 252061151 is about 15876.4338250125. The cubic root of 252061151 is about 631.6870471290.

The spelling of 252061151 in words is "two hundred fifty-two million, sixty-one thousand, one hundred fifty-one".