252522154 has 8 divisors (see below), whose sum is σ = 379166148. Its totient is φ = 126133440.

The previous prime is 252522139. The next prime is 252522163. The reversal of 252522154 is 451225252.

It can be written as a sum of positive squares in 2 ways, for example, as 251952129 + 570025 = 15873^2 + 755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61327 + ... + 65314.

Almost surely, 2^252522154 is an apocalyptic number.

252522154 is a deficient number, since it is larger than the sum of its proper divisors (126643994).

252522154 is a wasteful number, since it uses less digits than its factorization.

252522154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127640.

The product of its digits is 8000, while the sum is 28.

The square root of 252522154 is about 15890.9456609731. The cubic root of 252522154 is about 632.0719170551.

The spelling of 252522154 in words is "two hundred fifty-two million, five hundred twenty-two thousand, one hundred fifty-four".