2526861725 has 24 divisors (see below), whose sum is σ = 3320365608. Its totient is φ = 1901004800.

The previous prime is 2526861713. The next prime is 2526861731. The reversal of 2526861725 is 5271686252.

It can be written as a sum of positive squares in 12 ways, for example, as 210076036 + 2316785689 = 14494^2 + 48133^2 .

It is not a de Polignac number, because 2526861725 - 2¹⁶ = 2526796189 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 908537 + ... + 911313.

It is an arithmetic number, because the mean of its divisors is an integer number (138348567).

Almost surely, 2^2526861725 is an apocalyptic number.

2526861725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2526861725 is a deficient number, since it is larger than the sum of its proper divisors (793503883).

2526861725 is a wasteful number, since it uses less digits than its factorization.

2526861725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945 (or 4940 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 2526861725 is about 50267.8995483201. The cubic root of 2526861725 is about 1362.0524310596.

The spelling of 2526861725 in words is "two billion, five hundred twenty-six million, eight hundred sixty-one thousand, seven hundred twenty-five".