37236525761 has 2 divisors, whose sum is σ = 37236525762. Its totient is φ = 37236525760.

The previous prime is 37236525749. The next prime is 37236525769. The reversal of 37236525761 is 16752563273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35696434225 + 1540091536 = 188935^2 + 39244^2 .

It is a cyclic number.

It is not a de Polignac number, because 37236525761 - 2²⁶ = 37169416897 is a prime.

It is not a weakly prime, because it can be changed into another prime (37236525769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18618262880 + 18618262881.

It is an arithmetic number, because the mean of its divisors is an integer number (18618262881).

Almost surely, 2^37236525761 is an apocalyptic number.

It is an amenable number.

37236525761 is a deficient number, since it is larger than the sum of its proper divisors (1).

37236525761 is an equidigital number, since it uses as much as digits as its factorization.

37236525761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1587600, while the sum is 47.

The spelling of 37236525761 in words is "thirty-seven billion, two hundred thirty-six million, five hundred twenty-five thousand, seven hundred sixty-one".