2525502791 has 4 divisors (see below), whose sum is σ = 2886288912. Its totient is φ = 2164716672.

The previous prime is 2525502773. The next prime is 2525502827. The reversal of 2525502791 is 1972055252.

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

It is a cyclic number.

It is not a de Polignac number, because 2525502791 - 2¹⁴ = 2525486407 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 (2525502751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180393050 + ... + 180393063.

It is an arithmetic number, because the mean of its divisors is an integer number (721572228).

Almost surely, 2^2525502791 is an apocalyptic number.

2525502791 is a deficient number, since it is larger than the sum of its proper divisors (360786121).

2525502791 is an equidigital number, since it uses as much as digits as its factorization.

2525502791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360786120.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 2525502791 is about 50254.3808140146. The cubic root of 2525502791 is about 1361.8082188749.

The spelling of 2525502791 in words is "two billion, five hundred twenty-five million, five hundred two thousand, seven hundred ninety-one".