41557973 has 2 divisors, whose sum is σ = 41557974. Its totient is φ = 41557972.

The previous prime is 41557961. The next prime is 41557981. The reversal of 41557973 is 37975514.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 19298449 = 4718^2 + 4393^2 .

It is a cyclic number.

It is not a de Polignac number, because 41557973 - 2¹⁴ = 41541589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41557973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41557913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20778986 + 20778987.

It is an arithmetic number, because the mean of its divisors is an integer number (20778987).

Almost surely, 2^41557973 is an apocalyptic number.

It is an amenable number.

41557973 is a deficient number, since it is larger than the sum of its proper divisors (1).

41557973 is an equidigital number, since it uses as much as digits as its factorization.

41557973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 41557973 is about 6446.5473704922. The cubic root of 41557973 is about 346.3789187470.

The spelling of 41557973 in words is "forty-one million, five hundred fifty-seven thousand, nine hundred seventy-three".