252641737285 has 16 divisors (see below), whose sum is σ = 347608711296. Its totient is φ = 172675741248.

The previous prime is 252641737273. The next prime is 252641737297. The reversal of 252641737285 is 582737146252.

It is an interprime number because it is at equal distance from previous prime (252641737273) and next prime (252641737297).

It is a cyclic number.

It is not a de Polignac number, because 252641737285 - 2⁵ = 252641737253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11745502 + ... + 11766991.

It is an arithmetic number, because the mean of its divisors is an integer number (21725544456).

Almost surely, 2^252641737285 is an apocalyptic number.

It is an amenable number.

252641737285 is a deficient number, since it is larger than the sum of its proper divisors (94966974011).

252641737285 is a wasteful number, since it uses less digits than its factorization.

252641737285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23512812.

The product of its digits is 5644800, while the sum is 52.

The spelling of 252641737285 in words is "two hundred fifty-two billion, six hundred forty-one million, seven hundred thirty-seven thousand, two hundred eighty-five".