252980101 has 4 divisors (see below), whose sum is σ = 275978304. Its totient is φ = 229981900.

The previous prime is 252980089. The next prime is 252980153. The reversal of 252980101 is 101089252.

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 252980101 - 2¹⁵ = 252947333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252980101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252980201) 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, 11499085 + ... + 11499106.

It is an arithmetic number, because the mean of its divisors is an integer number (68994576).

Almost surely, 2^252980101 is an apocalyptic number.

It is an amenable number.

252980101 is a deficient number, since it is larger than the sum of its proper divisors (22998203).

252980101 is a wasteful number, since it uses less digits than its factorization.

252980101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22998202.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 252980101 is about 15905.3481885811. The cubic root of 252980101 is about 632.4537721842.

The spelling of 252980101 in words is "two hundred fifty-two million, nine hundred eighty thousand, one hundred one".