252021410 has 8 divisors (see below), whose sum is σ = 453638556. Its totient is φ = 100808560.

The previous prime is 252021403. The next prime is 252021457. The reversal of 252021410 is 14120252.

It can be written as a sum of positive squares in 2 ways, for example, as 251825161 + 196249 = 15869^2 + 443^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12601061 + ... + 12601080.

Almost surely, 2^252021410 is an apocalyptic number.

252021410 is a deficient number, since it is larger than the sum of its proper divisors (201617146).

252021410 is a wasteful number, since it uses less digits than its factorization.

252021410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25202148.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 252021410 is about 15875.1822036788. The cubic root of 252021410 is about 631.6538472563.

Adding to 252021410 its reverse (14120252), we get a palindrome (266141662).

The spelling of 252021410 in words is "two hundred fifty-two million, twenty-one thousand, four hundred ten".