252905410 has 16 divisors (see below), whose sum is σ = 455983416. Its totient is φ = 100994688.

The previous prime is 252905363. The next prime is 252905417. The reversal of 252905410 is 14509252.

It is a Cunningham number, because it is equal to 15903²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 91030681 + 161874729 = 9541^2 + 12723^2 .

It is a super-2 number, since 2×252905410² = 127922292814536200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252905417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14499 + ... + 26758.

Almost surely, 2^252905410 is an apocalyptic number.

252905410 is a deficient number, since it is larger than the sum of its proper divisors (203078006).

252905410 is a wasteful number, since it uses less digits than its factorization.

252905410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41877.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 252905410 is about 15903.0000314406. Note that the first 4 decimals coincide. The cubic root of 252905410 is about 632.3915232112.

The spelling of 252905410 in words is "two hundred fifty-two million, nine hundred five thousand, four hundred ten".