37252381 has 2 divisors, whose sum is σ = 37252382. Its totient is φ = 37252380.

The previous prime is 37252379. The next prime is 37252393. The reversal of 37252381 is 18325273.

37252381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37100281 + 152100 = 6091^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 37252381 - 2¹ = 37252379 is a prime.

It is a super-2 number, since 2×37252381² = 2775479780338322, which contains 22 as substring.

Together with 37252379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37252181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18626190 + 18626191.

It is an arithmetic number, because the mean of its divisors is an integer number (18626191).

Almost surely, 2^37252381 is an apocalyptic number.

It is an amenable number.

37252381 is a deficient number, since it is larger than the sum of its proper divisors (1).

37252381 is an equidigital number, since it uses as much as digits as its factorization.

37252381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 37252381 is about 6103.4728638702. The cubic root of 37252381 is about 333.9781171794.

The spelling of 37252381 in words is "thirty-seven million, two hundred fifty-two thousand, three hundred eighty-one".