2542508737 has 2 divisors, whose sum is σ = 2542508738. Its totient is φ = 2542508736.

The previous prime is 2542508699. The next prime is 2542508743. The reversal of 2542508737 is 7378052452.

2542508737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1325615281 + 1216893456 = 36409^2 + 34884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542508737 - 2³¹ = 395025089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2542508693 and 2542508702.

It is not a weakly prime, because it can be changed into another prime (2542508777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271254368 + 1271254369.

It is an arithmetic number, because the mean of its divisors is an integer number (1271254369).

Almost surely, 2^2542508737 is an apocalyptic number.

It is an amenable number.

2542508737 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542508737 is an equidigital number, since it uses as much as digits as its factorization.

2542508737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 2542508737 is about 50423.2955785320. The cubic root of 2542508737 is about 1364.8580471112.

The spelling of 2542508737 in words is "two billion, five hundred forty-two million, five hundred eight thousand, seven hundred thirty-seven".