2525139045 has 144 divisors (see below), whose sum is σ = 5431974912. Its totient is φ = 1069666560.

The previous prime is 2525138999. The next prime is 2525139073. The reversal of 2525139045 is 5409315252.

It is a happy number.

2525139045 is a `hidden beast` number, since 2 + 52 + 513 + 90 + 4 + 5 = 666.

It is not a de Polignac number, because 2525139045 - 2¹⁵ = 2525106277 is a prime.

It is a super-3 number, since 3×2525139045³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2322492 + ... + 2323578.

It is an arithmetic number, because the mean of its divisors is an integer number (37722048).

Almost surely, 2^2525139045 is an apocalyptic number.

It is an amenable number.

2525139045 is an abundant number, since it is smaller than the sum of its proper divisors (2906835867).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2525139045 is a wasteful number, since it uses less digits than its factorization.

2525139045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 2525139045 is about 50250.7616360190. The cubic root of 2525139045 is about 1361.7428357127.

The spelling of 2525139045 in words is "two billion, five hundred twenty-five million, one hundred thirty-nine thousand, forty-five".