2542316251 has 4 divisors (see below), whose sum is σ = 2542432104. Its totient is φ = 2542200400.

The previous prime is 2542316207. The next prime is 2542316263. The reversal of 2542316251 is 1526132452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2542316251 - 2¹⁵ = 2542283483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542316351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13810 + ... + 72631.

It is an arithmetic number, because the mean of its divisors is an integer number (635608026).

Almost surely, 2^2542316251 is an apocalyptic number.

2542316251 is a deficient number, since it is larger than the sum of its proper divisors (115853).

2542316251 is an equidigital number, since it uses as much as digits as its factorization.

2542316251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115852.

The product of its digits is 14400, while the sum is 31.

The square root of 2542316251 is about 50421.3868412998. The cubic root of 2542316251 is about 1364.8236030871.

The spelling of 2542316251 in words is "two billion, five hundred forty-two million, three hundred sixteen thousand, two hundred fifty-one".