37645241 has 2 divisors, whose sum is σ = 37645242. Its totient is φ = 37645240.

The previous prime is 37645217. The next prime is 37645247. The reversal of 37645241 is 14254673.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31866025 + 5779216 = 5645^2 + 2404^2 .

It is an emirp because it is prime and its reverse (14254673) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37645241 - 2⁶ = 37645177 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 37645198 and 37645207.

It is not a weakly prime, because it can be changed into another prime (37645247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18822620 + 18822621.

It is an arithmetic number, because the mean of its divisors is an integer number (18822621).

Almost surely, 2^37645241 is an apocalyptic number.

It is an amenable number.

37645241 is a deficient number, since it is larger than the sum of its proper divisors (1).

37645241 is an equidigital number, since it uses as much as digits as its factorization.

37645241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 32.

The square root of 37645241 is about 6135.5717744967. The cubic root of 37645241 is about 335.1480477286.

The spelling of 37645241 in words is "thirty-seven million, six hundred forty-five thousand, two hundred forty-one".