2537061557 has 2 divisors, whose sum is σ = 2537061558. Its totient is φ = 2537061556.

The previous prime is 2537061523. The next prime is 2537061563. The reversal of 2537061557 is 7551607352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2508907921 + 28153636 = 50089^2 + 5306^2 .

It is a cyclic number.

It is not a de Polignac number, because 2537061557 - 2⁶ = 2537061493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2537061517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1268530778 + 1268530779.

It is an arithmetic number, because the mean of its divisors is an integer number (1268530779).

Almost surely, 2^2537061557 is an apocalyptic number.

It is an amenable number.

2537061557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2537061557 is an equidigital number, since it uses as much as digits as its factorization.

2537061557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 2537061557 is about 50369.2520988748. The cubic root of 2537061557 is about 1363.8826400130.

The spelling of 2537061557 in words is "two billion, five hundred thirty-seven million, sixty-one thousand, five hundred fifty-seven".