2555152521 has 4 divisors (see below), whose sum is σ = 3406870032. Its totient is φ = 1703435012.

The previous prime is 2555152517. The next prime is 2555152529. The reversal of 2555152521 is 1252515552.

It is a happy number.

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 2555152521 - 2² = 2555152517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2555152529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425858751 + ... + 425858756.

It is an arithmetic number, because the mean of its divisors is an integer number (851717508).

Almost surely, 2^2555152521 is an apocalyptic number.

It is an amenable number.

2555152521 is a deficient number, since it is larger than the sum of its proper divisors (851717511).

2555152521 is an equidigital number, since it uses as much as digits as its factorization.

2555152521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851717510.

The product of its digits is 25000, while the sum is 33.

The square root of 2555152521 is about 50548.5165064218. The cubic root of 2555152521 is about 1367.1167667250.

The spelling of 2555152521 in words is "two billion, five hundred fifty-five million, one hundred fifty-two thousand, five hundred twenty-one".