2525997255624 has 40 divisors (see below), whose sum is σ = 7075131203910. Its totient is φ = 841999084992.

The previous prime is 2525997255619. The next prime is 2525997255629. The reversal of 2525997255624 is 4265527995252.

It is a happy number.

2525997255624 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 9 + 9 + 72 + 556 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2525997255619) and next prime (2525997255629).

It can be written as a sum of positive squares in only one way, i.e., 2428454722500 + 97542533124 = 1558350^2 + 312318^2 .

It is not an unprimeable number, because it can be changed into a prime (2525997255629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1949071309 + ... + 1949072604.

Almost surely, 2^{2525997255624} is an apocalyptic number.

2525997255624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2525997255624 is an abundant number, since it is smaller than the sum of its proper divisors (4549133948286).

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

2525997255624 is a wasteful number, since it uses less digits than its factorization.

2525997255624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898143931 (or 3898143918 counting only the distinct ones).

The product of its digits is 136080000, while the sum is 63.

The spelling of 2525997255624 in words is "two trillion, five hundred twenty-five billion, nine hundred ninety-seven million, two hundred fifty-five thousand, six hundred twenty-four".