252751394 has 32 divisors (see below), whose sum is σ = 439883136. Its totient is φ = 106686720.

The previous prime is 252751381. The next prime is 252751397. The reversal of 252751394 is 493157252.

It is not an unprimeable number, because it can be changed into a prime (252751397) 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, 311249 + ... + 312059.

It is an arithmetic number, because the mean of its divisors is an integer number (13746348).

Almost surely, 2^252751394 is an apocalyptic number.

252751394 is a deficient number, since it is larger than the sum of its proper divisors (187131742).

252751394 is a wasteful number, since it uses less digits than its factorization.

252751394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its digits is 75600, while the sum is 38.

The square root of 252751394 is about 15898.1569372050. The cubic root of 252751394 is about 632.2631244936.

The spelling of 252751394 in words is "two hundred fifty-two million, seven hundred fifty-one thousand, three hundred ninety-four".