252774194 has 8 divisors (see below), whose sum is σ = 382056048. Its totient is φ = 125422180.

The previous prime is 252774101. The next prime is 252774199. The reversal of 252774194 is 491477252.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252774199) 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, 482132 + ... + 482655.

It is an arithmetic number, because the mean of its divisors is an integer number (47757006).

Almost surely, 2^252774194 is an apocalyptic number.

252774194 is a deficient number, since it is larger than the sum of its proper divisors (129281854).

252774194 is a wasteful number, since it uses less digits than its factorization.

252774194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964920.

The product of its digits is 141120, while the sum is 41.

The square root of 252774194 is about 15898.8739852859. The cubic root of 252774194 is about 632.2821354877.

The spelling of 252774194 in words is "two hundred fifty-two million, seven hundred seventy-four thousand, one hundred ninety-four".