252780303001 has 4 divisors (see below), whose sum is σ = 252801540900. Its totient is φ = 252759065104.

The previous prime is 252780302969. The next prime is 252780303007. The reversal of 252780303001 is 100303087252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131731976601 + 121048326400 = 362949^2 + 347920^2 .

It is a cyclic number.

It is not a de Polignac number, because 252780303001 - 2⁵ = 252780302969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252780303007) 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, 10601086 + ... + 10624903.

It is an arithmetic number, because the mean of its divisors is an integer number (63200385225).

Almost surely, 2^252780303001 is an apocalyptic number.

It is an amenable number.

252780303001 is a deficient number, since it is larger than the sum of its proper divisors (21237899).

252780303001 is a wasteful number, since it uses less digits than its factorization.

252780303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21237898.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 252780303001 in words is "two hundred fifty-two billion, seven hundred eighty million, three hundred three thousand, one".