2542065802 has 8 divisors (see below), whose sum is σ = 3813509700. Its totient is φ = 1270895904.

The previous prime is 2542065791. The next prime is 2542065821. The reversal of 2542065802 is 2085602452.

It can be written as a sum of positive squares in 2 ways, for example, as 1810417401 + 731648401 = 42549^2 + 27049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43477 + ... + 83512.

Almost surely, 2^2542065802 is an apocalyptic number.

2542065802 is a deficient number, since it is larger than the sum of its proper divisors (1271443898).

2542065802 is a wasteful number, since it uses less digits than its factorization.

2542065802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137000.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 2542065802 is about 50418.9032209151. The cubic root of 2542065802 is about 1364.7787843867.

The spelling of 2542065802 in words is "two billion, five hundred forty-two million, sixty-five thousand, eight hundred two".