2542360061 has 4 divisors (see below), whose sum is σ = 2553462300. Its totient is φ = 2531257824.

The previous prime is 2542360043. The next prime is 2542360109. The reversal of 2542360061 is 1600632452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1216963225 + 1325396836 = 34885^2 + 36406^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542360061 - 2⁶ = 2542359997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542362061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5550776 + ... + 5551233.

It is an arithmetic number, because the mean of its divisors is an integer number (638365575).

Almost surely, 2^2542360061 is an apocalyptic number.

It is an amenable number.

2542360061 is a deficient number, since it is larger than the sum of its proper divisors (11102239).

2542360061 is a wasteful number, since it uses less digits than its factorization.

2542360061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11102238.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2542360061 is about 50421.8212780935. The cubic root of 2542360061 is about 1364.8314427332.

The spelling of 2542360061 in words is "two billion, five hundred forty-two million, three hundred sixty thousand, sixty-one".