252754381 has 16 divisors (see below), whose sum is σ = 283465728. Its totient is φ = 223372800.

The previous prime is 252754379. The next prime is 252754421. The reversal of 252754381 is 183457252.

It is a cyclic number.

It is not a de Polignac number, because 252754381 - 2¹ = 252754379 is a prime.

It is a super-2 number, since 2×252754381² = 127769554229386322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252754381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252754081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151156 + ... + 152818.

It is an arithmetic number, because the mean of its divisors is an integer number (17716608).

Almost surely, 2^252754381 is an apocalyptic number.

It is an amenable number.

252754381 is a deficient number, since it is larger than the sum of its proper divisors (30711347).

252754381 is a wasteful number, since it uses less digits than its factorization.

252754381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its digits is 67200, while the sum is 37.

The square root of 252754381 is about 15898.2508786344. The cubic root of 252754381 is about 632.2656151657.

The spelling of 252754381 in words is "two hundred fifty-two million, seven hundred fifty-four thousand, three hundred eighty-one".