252521294 has 8 divisors (see below), whose sum is σ = 378870048. Its totient is φ = 126231280.

The previous prime is 252521293. The next prime is 252521303. The reversal of 252521294 is 492125252.

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

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 252521294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252521293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607 + ... + 22530.

It is an arithmetic number, because the mean of its divisors is an integer number (47358756).

Almost surely, 2^252521294 is an apocalyptic number.

252521294 is a deficient number, since it is larger than the sum of its proper divisors (126348754).

252521294 is a wasteful number, since it uses less digits than its factorization.

252521294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29370.

The product of its digits is 14400, while the sum is 32.

The square root of 252521294 is about 15890.9186015158. The cubic root of 252521294 is about 632.0711995174.

The spelling of 252521294 in words is "two hundred fifty-two million, five hundred twenty-one thousand, two hundred ninety-four".