37625993 has 2 divisors, whose sum is σ = 37625994. Its totient is φ = 37625992.

The previous prime is 37625977. The next prime is 37626007. The reversal of 37625993 is 39952673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30614089 + 7011904 = 5533^2 + 2648^2 .

It is a cyclic number.

It is not a de Polignac number, because 37625993 - 2⁴ = 37625977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (37625923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18812996 + 18812997.

It is an arithmetic number, because the mean of its divisors is an integer number (18812997).

Almost surely, 2^37625993 is an apocalyptic number.

It is an amenable number.

37625993 is a deficient number, since it is larger than the sum of its proper divisors (1).

37625993 is an equidigital number, since it uses as much as digits as its factorization.

37625993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 44.

The square root of 37625993 is about 6134.0030159758. The cubic root of 37625993 is about 335.0909176265.

The spelling of 37625993 in words is "thirty-seven million, six hundred twenty-five thousand, nine hundred ninety-three".