252412501 has 4 divisors (see below), whose sum is σ = 275359104. Its totient is φ = 229465900.

The previous prime is 252412471. The next prime is 252412519. The reversal of 252412501 is 105214252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252412501 - 2⁵ = 252412469 is a prime.

It is a super-2 number, since 2×252412501² = 127424141322150002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252412301) 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 3 ways as a sum of consecutive naturals, for example, 11473285 + ... + 11473306.

It is an arithmetic number, because the mean of its divisors is an integer number (68839776).

Almost surely, 2^252412501 is an apocalyptic number.

It is an amenable number.

252412501 is a deficient number, since it is larger than the sum of its proper divisors (22946603).

252412501 is a wasteful number, since it uses less digits than its factorization.

252412501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22946602.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 252412501 is about 15887.4951140826. The cubic root of 252412501 is about 631.9804153588.

Adding to 252412501 its reverse (105214252), we get a palindrome (357626753).

The spelling of 252412501 in words is "two hundred fifty-two million, four hundred twelve thousand, five hundred one".