2025251613 has 32 divisors (see below), whose sum is σ = 3740728320. Its totient is φ = 1052077680.

The previous prime is 2025251609. The next prime is 2025251687. The reversal of 2025251613 is 3161525202.

It is a happy number.

2025251613 is a `hidden beast` number, since 2 + 0 + 25 + 25 + 1 + 613 = 666.

It is not a de Polignac number, because 2025251613 - 2² = 2025251609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025251113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484995 + ... + 489152.

It is an arithmetic number, because the mean of its divisors is an integer number (116897760).

Almost surely, 2^2025251613 is an apocalyptic number.

It is an amenable number.

2025251613 is a deficient number, since it is larger than the sum of its proper divisors (1715476707).

2025251613 is a wasteful number, since it uses less digits than its factorization.

2025251613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974174 (or 974168 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2025251613 is about 45002.7956131616. The cubic root of 2025251613 is about 1265.2013954425.

Adding to 2025251613 its reverse (3161525202), we get a palindrome (5186776815).

The spelling of 2025251613 in words is "two billion, twenty-five million, two hundred fifty-one thousand, six hundred thirteen".