41537921 has 2 divisors, whose sum is σ = 41537922. Its totient is φ = 41537920.

The previous prime is 41537897. The next prime is 41537927. The reversal of 41537921 is 12973514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 1784896 = 6305^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 41537921 - 2¹⁰ = 41536897 is a prime.

It is not a weakly prime, because it can be changed into another prime (41537927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20768960 + 20768961.

It is an arithmetic number, because the mean of its divisors is an integer number (20768961).

Almost surely, 2^41537921 is an apocalyptic number.

It is an amenable number.

41537921 is a deficient number, since it is larger than the sum of its proper divisors (1).

41537921 is an equidigital number, since it uses as much as digits as its factorization.

41537921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 32.

The square root of 41537921 is about 6444.9919317250. The cubic root of 41537921 is about 346.3231997359.

It can be divided in two parts, 41 and 537921, that multiplied together give a triangular number (22054761 = T₆₆₄₁).

The spelling of 41537921 in words is "forty-one million, five hundred thirty-seven thousand, nine hundred twenty-one".