252550578 has 16 divisors (see below), whose sum is σ = 577258560. Its totient is φ = 72157296.

The previous prime is 252550561. The next prime is 252550579. The reversal of 252550578 is 875055252.

It is not an unprimeable number, because it can be changed into a prime (252550579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006513 + ... + 3006596.

It is an arithmetic number, because the mean of its divisors is an integer number (36078660).

Almost surely, 2^252550578 is an apocalyptic number.

252550578 is an abundant number, since it is smaller than the sum of its proper divisors (324707982).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252550578 is a wasteful number, since it uses less digits than its factorization.

252550578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6013121.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 252550578 is about 15891.8399815755. The cubic root of 252550578 is about 632.0956315924.

The spelling of 252550578 in words is "two hundred fifty-two million, five hundred fifty thousand, five hundred seventy-eight".