25195750037 has 2 divisors, whose sum is σ = 25195750038. Its totient is φ = 25195750036.

The previous prime is 25195750009. The next prime is 25195750051. The reversal of 25195750037 is 73005759152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20692534801 + 4503215236 = 143849^2 + 67106^2 .

It is a cyclic number.

It is not a de Polignac number, because 25195750037 - 2¹⁰ = 25195749013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25195750037.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25195750067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12597875018 + 12597875019.

It is an arithmetic number, because the mean of its divisors is an integer number (12597875019).

Almost surely, 2^25195750037 is an apocalyptic number.

It is an amenable number.

25195750037 is a deficient number, since it is larger than the sum of its proper divisors (1).

25195750037 is an equidigital number, since it uses as much as digits as its factorization.

25195750037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330750, while the sum is 44.

The spelling of 25195750037 in words is "twenty-five billion, one hundred ninety-five million, seven hundred fifty thousand, thirty-seven".