2542551061 has 2 divisors, whose sum is σ = 2542551062. Its totient is φ = 2542551060.

The previous prime is 2542551043. The next prime is 2542551173. The reversal of 2542551061 is 1601552452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2200079025 + 342472036 = 46905^2 + 18506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542551061 - 2⁵ = 2542551029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2542551001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271275530 + 1271275531.

It is an arithmetic number, because the mean of its divisors is an integer number (1271275531).

Almost surely, 2^2542551061 is an apocalyptic number.

It is an amenable number.

2542551061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542551061 is an equidigital number, since it uses as much as digits as its factorization.

2542551061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2542551061 is about 50423.7152637526. The cubic root of 2542551061 is about 1364.8656204619.

The spelling of 2542551061 in words is "two billion, five hundred forty-two million, five hundred fifty-one thousand, sixty-one".