2542280081 has 16 divisors (see below), whose sum is σ = 2809755648. Its totient is φ = 2280998400.

The previous prime is 2542280063. The next prime is 2542280107. The reversal of 2542280081 is 1800822452.

It is a cyclic number.

It is not a de Polignac number, because 2542280081 - 2⁶ = 2542280017 is a prime.

It is a super-2 number, since 2×2542280081² = 12926376020498733122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2542280381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405551 + ... + 411771.

It is an arithmetic number, because the mean of its divisors is an integer number (175609728).

Almost surely, 2^2542280081 is an apocalyptic number.

It is an amenable number.

2542280081 is a deficient number, since it is larger than the sum of its proper divisors (267475567).

2542280081 is a wasteful number, since it uses less digits than its factorization.

2542280081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 2542280081 is about 50421.0281628608. The cubic root of 2542280081 is about 1364.8171305244.

The spelling of 2542280081 in words is "two billion, five hundred forty-two million, two hundred eighty thousand, eighty-one".