37141921 has 4 divisors (see below), whose sum is σ = 37154452. Its totient is φ = 37129392.

The previous prime is 37141913. The next prime is 37141997. The reversal of 37141921 is 12914173.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 23184225 + 13957696 = 4815^2 + 3736^2 .

It is a cyclic number.

It is not a de Polignac number, because 37141921 - 2³ = 37141913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37141921.

It is not an unprimeable number, because it can be changed into a prime (37141901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955 + ... + 8671.

It is an arithmetic number, because the mean of its divisors is an integer number (9288613).

Almost surely, 2^37141921 is an apocalyptic number.

It is an amenable number.

37141921 is a deficient number, since it is larger than the sum of its proper divisors (12531).

37141921 is an equidigital number, since it uses as much as digits as its factorization.

37141921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12530.

The product of its digits is 1512, while the sum is 28.

The square root of 37141921 is about 6094.4171993719. The cubic root of 37141921 is about 333.6476886712.

The spelling of 37141921 in words is "thirty-seven million, one hundred forty-one thousand, nine hundred twenty-one".