252540010 has 8 divisors (see below), whose sum is σ = 454572036. Its totient is φ = 101016000.

The previous prime is 252539983. The next prime is 252540017. The reversal of 252540010 is 10045252.

It can be written as a sum of positive squares in 2 ways, for example, as 252523881 + 16129 = 15891^2 + 127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 252540010.

It is not an unprimeable number, because it can be changed into a prime (252540017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12626991 + ... + 12627010.

Almost surely, 2^252540010 is an apocalyptic number.

252540010 is a deficient number, since it is larger than the sum of its proper divisors (202032026).

252540010 is a wasteful number, since it uses less digits than its factorization.

252540010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25254008.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 252540010 is about 15891.5074804123. The cubic root of 252540010 is about 632.0868147712.

Adding to 252540010 its reverse (10045252), we get a palindrome (262585262).

The spelling of 252540010 in words is "two hundred fifty-two million, five hundred forty thousand, ten".