252541506 has 16 divisors (see below), whose sum is σ = 577237824. Its totient is φ = 72154704.

The previous prime is 252541493. The next prime is 252541519. The reversal of 252541506 is 605145252.

252541506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (252541493) and next prime (252541519).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3006405 + ... + 3006488.

It is an arithmetic number, because the mean of its divisors is an integer number (36077364).

Almost surely, 2^252541506 is an apocalyptic number.

252541506 is an abundant number, since it is smaller than the sum of its proper divisors (324696318).

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

252541506 is a wasteful number, since it uses less digits than its factorization.

252541506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6012905.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 252541506 is about 15891.5545495084. The cubic root of 252541506 is about 632.0880628903.

Adding to 252541506 its reverse (605145252), we get a palindrome (857686758).

The spelling of 252541506 in words is "two hundred fifty-two million, five hundred forty-one thousand, five hundred six".