252777755005 has 4 divisors (see below), whose sum is σ = 303333306012. Its totient is φ = 202222204000.

The previous prime is 252777754993. The next prime is 252777755017. The reversal of 252777755005 is 500557777252.

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

It is an interprime number because it is at equal distance from previous prime (252777754993) and next prime (252777755017).

It can be written as a sum of positive squares in 2 ways, for example, as 164260794681 + 88516960324 = 405291^2 + 297518^2 .

It is not a de Polignac number, because 252777755005 - 2¹⁷ = 252777623933 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 25277775496 + ... + 25277775505.

It is an arithmetic number, because the mean of its divisors is an integer number (75833326503).

Almost surely, 2^252777755005 is an apocalyptic number.

It is an amenable number.

252777755005 is a deficient number, since it is larger than the sum of its proper divisors (50555551007).

252777755005 is an equidigital number, since it uses as much as digits as its factorization.

252777755005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50555551006.

The product of its (nonzero) digits is 6002500, while the sum is 52.

The spelling of 252777755005 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, seven hundred fifty-five thousand, five".