37395521 has 2 divisors, whose sum is σ = 37395522. Its totient is φ = 37395520.

The previous prime is 37395511. The next prime is 37395541. The reversal of 37395521 is 12559373.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22657600 + 14737921 = 4760^2 + 3839^2 .

It is an emirp because it is prime and its reverse (12559373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37395521 - 2¹⁸ = 37133377 is a prime.

It is a super-3 number, since 3×37395521³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is equal to p_2284379 and since 37395521 and 2284379 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (37395511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18697760 + 18697761.

It is an arithmetic number, because the mean of its divisors is an integer number (18697761).

Almost surely, 2^37395521 is an apocalyptic number.

It is an amenable number.

37395521 is a deficient number, since it is larger than the sum of its proper divisors (1).

37395521 is an equidigital number, since it uses as much as digits as its factorization.

37395521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 37395521 is about 6115.1877321960. The cubic root of 37395521 is about 334.4053339703.

The spelling of 37395521 in words is "thirty-seven million, three hundred ninety-five thousand, five hundred twenty-one".