252361461 has 16 divisors (see below), whose sum is σ = 373999680. Its totient is φ = 150059520.

The previous prime is 252361441. The next prime is 252361469. The reversal of 252361461 is 164163252.

It is not a de Polignac number, because 252361461 - 2⁵ = 252361429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252361469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70396 + ... + 73893.

It is an arithmetic number, because the mean of its divisors is an integer number (23374980).

Almost surely, 2^252361461 is an apocalyptic number.

It is an amenable number.

252361461 is a deficient number, since it is larger than the sum of its proper divisors (121638219).

252361461 is a wasteful number, since it uses less digits than its factorization.

252361461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144356.

The product of its digits is 8640, while the sum is 30.

The square root of 252361461 is about 15885.8887381223. Note that the first 3 decimals coincide. The cubic root of 252361461 is about 631.9378151776.

The spelling of 252361461 in words is "two hundred fifty-two million, three hundred sixty-one thousand, four hundred sixty-one".