2542655597 has 2 divisors, whose sum is σ = 2542655598. Its totient is φ = 2542655596.

The previous prime is 2542655581. The next prime is 2542655641. The reversal of 2542655597 is 7955562452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2115448036 + 427207561 = 45994^2 + 20669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542655597 - 2⁴ = 2542655581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542655537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271327798 + 1271327799.

It is an arithmetic number, because the mean of its divisors is an integer number (1271327799).

Almost surely, 2^2542655597 is an apocalyptic number.

It is an amenable number.

2542655597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542655597 is an equidigital number, since it uses as much as digits as its factorization.

2542655597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780000, while the sum is 50.

The square root of 2542655597 is about 50424.7518288390. The cubic root of 2542655597 is about 1364.8843255123.

The spelling of 2542655597 in words is "two billion, five hundred forty-two million, six hundred fifty-five thousand, five hundred ninety-seven".