252525386 has 4 divisors (see below), whose sum is σ = 378788082. Its totient is φ = 126262692.

The previous prime is 252525379. The next prime is 252525391. The reversal of 252525386 is 683525252.

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

It can be written as a sum of positive squares in only one way, i.e., 252206161 + 319225 = 15881^2 + 565^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63131345 + ... + 63131348.

Almost surely, 2^252525386 is an apocalyptic number.

252525386 is a deficient number, since it is larger than the sum of its proper divisors (126262696).

252525386 is a wasteful number, since it uses less digits than its factorization.

252525386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126262695.

The product of its digits is 144000, while the sum is 38.

The square root of 252525386 is about 15891.0473537775. The cubic root of 252525386 is about 632.0746136471.

The spelling of 252525386 in words is "two hundred fifty-two million, five hundred twenty-five thousand, three hundred eighty-six".