2526661426 has 4 divisors (see below), whose sum is σ = 3789992142. Its totient is φ = 1263330712.

The previous prime is 2526661411. The next prime is 2526661429. The reversal of 2526661426 is 6241666252.

2526661426 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 only one way, i.e., 1943487225 + 583174201 = 44085^2 + 24149^2 .

It is not an unprimeable number, because it can be changed into a prime (2526661429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631665355 + ... + 631665358.

Almost surely, 2^2526661426 is an apocalyptic number.

2526661426 is a deficient number, since it is larger than the sum of its proper divisors (1263330716).

2526661426 is a wasteful number, since it uses less digits than its factorization.

2526661426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263330715.

The product of its digits is 207360, while the sum is 40.

The square root of 2526661426 is about 50265.9071936437. The cubic root of 2526661426 is about 1362.0164411007.

The spelling of 2526661426 in words is "two billion, five hundred twenty-six million, six hundred sixty-one thousand, four hundred twenty-six".