2542306161 has 4 divisors (see below), whose sum is σ = 3389741552. Its totient is φ = 1694870772.

The previous prime is 2542306139. The next prime is 2542306177. The reversal of 2542306161 is 1616032452.

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 not a de Polignac number, because 2542306161 - 2¹¹ = 2542304113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542306111) 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, 423717691 + ... + 423717696.

It is an arithmetic number, because the mean of its divisors is an integer number (847435388).

Almost surely, 2^2542306161 is an apocalyptic number.

It is an amenable number.

2542306161 is a deficient number, since it is larger than the sum of its proper divisors (847435391).

2542306161 is an equidigital number, since it uses as much as digits as its factorization.

2542306161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847435390.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2542306161 is about 50421.2867844525. The cubic root of 2542306161 is about 1364.8217975042.

The spelling of 2542306161 in words is "two billion, five hundred forty-two million, three hundred six thousand, one hundred sixty-one".