252584194 has 4 divisors (see below), whose sum is σ = 378876294. Its totient is φ = 126292096.

The previous prime is 252584191. The next prime is 252584197. The reversal of 252584194 is 491485252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (252584191) and next prime (252584197).

It can be written as a sum of positive squares in only one way, i.e., 179908569 + 72675625 = 13413^2 + 8525^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (252584191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63146047 + ... + 63146050.

Almost surely, 2^252584194 is an apocalyptic number.

252584194 is a deficient number, since it is larger than the sum of its proper divisors (126292100).

252584194 is a wasteful number, since it uses less digits than its factorization.

252584194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126292099.

The product of its digits is 115200, while the sum is 40.

The square root of 252584194 is about 15892.8975960962. The cubic root of 252584194 is about 632.1236755908.

The spelling of 252584194 in words is "two hundred fifty-two million, five hundred eighty-four thousand, one hundred ninety-four".