37939241 has 2 divisors, whose sum is σ = 37939242. Its totient is φ = 37939240.

The previous prime is 37939211. The next prime is 37939243. The reversal of 37939241 is 14293973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30294016 + 7645225 = 5504^2 + 2765^2 .

It is an emirp because it is prime and its reverse (14293973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37939241 - 2⁶ = 37939177 is a prime.

It is a super-4 number, since 4×37939241⁴ (a number of 31 digits) contains 4444 as substring.

Together with 37939243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 37939195 and 37939204.

It is not a weakly prime, because it can be changed into another prime (37939243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18969620 + 18969621.

It is an arithmetic number, because the mean of its divisors is an integer number (18969621).

Almost surely, 2^37939241 is an apocalyptic number.

It is an amenable number.

37939241 is a deficient number, since it is larger than the sum of its proper divisors (1).

37939241 is an equidigital number, since it uses as much as digits as its factorization.

37939241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 37939241 is about 6159.4838257763. The cubic root of 37939241 is about 336.0182606525.

The spelling of 37939241 in words is "thirty-seven million, nine hundred thirty-nine thousand, two hundred forty-one".