2526161361 has 4 divisors (see below), whose sum is σ = 3368215152. Its totient is φ = 1684107572.

The previous prime is 2526161329. The next prime is 2526161371. The reversal of 2526161361 is 1631616252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2526161361 - 2⁵ = 2526161329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2526161371) 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, 421026891 + ... + 421026896.

It is an arithmetic number, because the mean of its divisors is an integer number (842053788).

Almost surely, 2^2526161361 is an apocalyptic number.

It is an amenable number.

2526161361 is a deficient number, since it is larger than the sum of its proper divisors (842053791).

2526161361 is an equidigital number, since it uses as much as digits as its factorization.

2526161361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842053790.

The product of its digits is 12960, while the sum is 33.

The square root of 2526161361 is about 50260.9327509946. The cubic root of 2526161361 is about 1361.9265805331.

The spelling of 2526161361 in words is "two billion, five hundred twenty-six million, one hundred sixty-one thousand, three hundred sixty-one".