1252552655 has 4 divisors (see below), whose sum is σ = 1503063192. Its totient is φ = 1002042120.

The previous prime is 1252552643. The next prime is 1252552669. The reversal of 1252552655 is 5562552521.

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

It is not a de Polignac number, because 1252552655 - 2⁶ = 1252552591 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, 125255261 + ... + 125255270.

It is an arithmetic number, because the mean of its divisors is an integer number (375765798).

Almost surely, 2^1252552655 is an apocalyptic number.

1252552655 is a deficient number, since it is larger than the sum of its proper divisors (250510537).

1252552655 is an equidigital number, since it uses as much as digits as its factorization.

1252552655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250510536.

The product of its digits is 150000, while the sum is 38.

The square root of 1252552655 is about 35391.4206411667. The cubic root of 1252552655 is about 1077.9501169029.

The spelling of 1252552655 in words is "one billion, two hundred fifty-two million, five hundred fifty-two thousand, six hundred fifty-five".