2512158725 has 12 divisors (see below), whose sum is σ = 3137818884. Its totient is φ = 1995054720.

The previous prime is 2512158721. The next prime is 2512158757. The reversal of 2512158725 is 5278512152.

It can be written as a sum of positive squares in 6 ways, for example, as 20052484 + 2492106241 = 4478^2 + 49921^2 .

It is not a de Polignac number, because 2512158725 - 2² = 2512158721 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 (2512158721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 363314 + ... + 370163.

It is an arithmetic number, because the mean of its divisors is an integer number (261484907).

Almost surely, 2^2512158725 is an apocalyptic number.

2512158725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2512158725 is a deficient number, since it is larger than the sum of its proper divisors (625660159).

2512158725 is a wasteful number, since it uses less digits than its factorization.

2512158725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733624 (or 733619 counting only the distinct ones).

The product of its digits is 56000, while the sum is 38.

The square root of 2512158725 is about 50121.4397738134. The cubic root of 2512158725 is about 1359.4055080835.

The spelling of 2512158725 in words is "two billion, five hundred twelve million, one hundred fifty-eight thousand, seven hundred twenty-five".