2521252775 has 12 divisors (see below), whose sum is σ = 3127268592. Its totient is φ = 2016411840.

The previous prime is 2521252739. The next prime is 2521252777. The reversal of 2521252775 is 5772521252.

It is a happy number.

2521252775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521252775 - 2¹⁰ = 2521251751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521252777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85787 + ... + 111363.

It is an arithmetic number, because the mean of its divisors is an integer number (260605716).

Almost surely, 2^2521252775 is an apocalyptic number.

2521252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2521252775 is a deficient number, since it is larger than the sum of its proper divisors (606015817).

2521252775 is a wasteful number, since it uses less digits than its factorization.

2521252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29530 (or 29525 counting only the distinct ones).

The product of its digits is 98000, while the sum is 38.

The square root of 2521252775 is about 50212.0779793069. The cubic root of 2521252775 is about 1361.0438883857.

The spelling of 2521252775 in words is "two billion, five hundred twenty-one million, two hundred fifty-two thousand, seven hundred seventy-five".