252606045 has 16 divisors (see below), whose sum is σ = 425442240. Its totient is φ = 127632384.

The previous prime is 252606019. The next prime is 252606049. The reversal of 252606045 is 540606252.

It is not a de Polignac number, because 252606045 - 2⁶ = 252605981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252606049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442884 + ... + 443453.

It is an arithmetic number, because the mean of its divisors is an integer number (26590140).

Almost surely, 2^252606045 is an apocalyptic number.

It is an amenable number.

252606045 is a deficient number, since it is larger than the sum of its proper divisors (172836195).

252606045 is a wasteful number, since it uses less digits than its factorization.

252606045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886364.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 252606045 is about 15893.5850266704. The cubic root of 252606045 is about 632.1419033560.

The spelling of 252606045 in words is "two hundred fifty-two million, six hundred six thousand, forty-five".