2525881191 has 16 divisors (see below), whose sum is σ = 3449952768. Its totient is φ = 1643083200.

The previous prime is 2525881177. The next prime is 2525881277. The reversal of 2525881191 is 1911885252.

It is not a de Polignac number, because 2525881191 - 2¹¹ = 2525879143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2525881151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19611 + ... + 73731.

It is an arithmetic number, because the mean of its divisors is an integer number (215622048).

Almost surely, 2^2525881191 is an apocalyptic number.

2525881191 is a deficient number, since it is larger than the sum of its proper divisors (924071577).

2525881191 is a wasteful number, since it uses less digits than its factorization.

2525881191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54502.

The product of its digits is 57600, while the sum is 42.

The square root of 2525881191 is about 50258.1455189107. The cubic root of 2525881191 is about 1361.8762294242.

The spelling of 2525881191 in words is "two billion, five hundred twenty-five million, eight hundred eighty-one thousand, one hundred ninety-one".