37242113 has 2 divisors, whose sum is σ = 37242114. Its totient is φ = 37242112.

The previous prime is 37242097. The next prime is 37242181. The reversal of 37242113 is 31124273.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35188624 + 2053489 = 5932^2 + 1433^2 .

It is an emirp because it is prime and its reverse (31124273) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37242113 - 2⁴ = 37242097 is a prime.

It is not a weakly prime, because it can be changed into another prime (37242193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18621056 + 18621057.

It is an arithmetic number, because the mean of its divisors is an integer number (18621057).

Almost surely, 2^37242113 is an apocalyptic number.

It is an amenable number.

37242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

37242113 is an equidigital number, since it uses as much as digits as its factorization.

37242113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 23.

The square root of 37242113 is about 6102.6316454461. The cubic root of 37242113 is about 333.9474291863.

Adding to 37242113 its reverse (31124273), we get a palindrome (68366386).

The spelling of 37242113 in words is "thirty-seven million, two hundred forty-two thousand, one hundred thirteen".