2526132649 has 4 divisors (see below), whose sum is σ = 2526455764. Its totient is φ = 2525809536.

The previous prime is 2526132617. The next prime is 2526132659. The reversal of 2526132649 is 9462316252.

2526132649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1331739049 + 1194393600 = 36493^2 + 34560^2 .

It is a cyclic number.

It is not a de Polignac number, because 2526132649 - 2⁵ = 2526132617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2526132659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149532 + ... + 165565.

It is an arithmetic number, because the mean of its divisors is an integer number (631613941).

Almost surely, 2^2526132649 is an apocalyptic number.

It is an amenable number.

2526132649 is a deficient number, since it is larger than the sum of its proper divisors (323115).

2526132649 is an equidigital number, since it uses as much as digits as its factorization.

2526132649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323114.

The product of its digits is 155520, while the sum is 40.

The square root of 2526132649 is about 50260.6471207843. The cubic root of 2526132649 is about 1361.9214206906.

The spelling of 2526132649 in words is "two billion, five hundred twenty-six million, one hundred thirty-two thousand, six hundred forty-nine".