252063157 has 4 divisors (see below), whose sum is σ = 260755020. Its totient is φ = 243371296.

The previous prime is 252063143. The next prime is 252063169. The reversal of 252063157 is 751360252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 146918641 + 105144516 = 12121^2 + 10254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252063157 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 (252063457) 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, 4345888 + ... + 4345945.

It is an arithmetic number, because the mean of its divisors is an integer number (65188755).

Almost surely, 2^252063157 is an apocalyptic number.

It is an amenable number.

252063157 is a deficient number, since it is larger than the sum of its proper divisors (8691863).

252063157 is an equidigital number, since it uses as much as digits as its factorization.

252063157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8691862.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 252063157 is about 15876.4970002832. The cubic root of 252063157 is about 631.6887228611.

The spelling of 252063157 in words is "two hundred fifty-two million, sixty-three thousand, one hundred fifty-seven".