2542165361 has 4 divisors (see below), whose sum is σ = 2542275072. Its totient is φ = 2542055652.

The previous prime is 2542165337. The next prime is 2542165369. The reversal of 2542165361 is 1635612452.

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, 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 2542165361 - 2¹⁴ = 2542148977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542165369) 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, 4985 + ... + 71478.

It is an arithmetic number, because the mean of its divisors is an integer number (635568768).

Almost surely, 2^2542165361 is an apocalyptic number.

It is an amenable number.

2542165361 is a deficient number, since it is larger than the sum of its proper divisors (109711).

2542165361 is an equidigital number, since it uses as much as digits as its factorization.

2542165361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109710.

The product of its digits is 43200, while the sum is 35.

The square root of 2542165361 is about 50419.8905294329. The cubic root of 2542165361 is about 1364.7966011609.

The spelling of 2542165361 in words is "two billion, five hundred forty-two million, one hundred sixty-five thousand, three hundred sixty-one".