252151958 has 16 divisors (see below), whose sum is σ = 385931520. Its totient is φ = 123522600.

The previous prime is 252151951. The next prime is 252151961. The reversal of 252151958 is 859151252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252151951) 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 7 ways as a sum of consecutive naturals, for example, 33263 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (24120720).

Almost surely, 2^252151958 is an apocalyptic number.

252151958 is a deficient number, since it is larger than the sum of its proper divisors (133779562).

252151958 is a wasteful number, since it uses less digits than its factorization.

252151958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243.

The product of its digits is 36000, while the sum is 38.

The square root of 252151958 is about 15879.2933721876. The cubic root of 252151958 is about 631.7628947537.

The spelling of 252151958 in words is "two hundred fifty-two million, one hundred fifty-one thousand, nine hundred fifty-eight".