252258478774 has 8 divisors (see below), whose sum is σ = 384035296248. Its totient is φ = 124246713360.

The previous prime is 252258478763. The next prime is 252258478807. The reversal of 252258478774 is 477874852252.

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

It is a super-2 number, since 2×252258478774² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941262847 + ... + 941263114.

It is an arithmetic number, because the mean of its divisors is an integer number (48004412031).

Almost surely, 2^252258478774 is an apocalyptic number.

252258478774 is a deficient number, since it is larger than the sum of its proper divisors (131776817474).

252258478774 is a wasteful number, since it uses less digits than its factorization.

252258478774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882526030.

The product of its digits is 70246400, while the sum is 61.

The spelling of 252258478774 in words is "two hundred fifty-two billion, two hundred fifty-eight million, four hundred seventy-eight thousand, seven hundred seventy-four".