41658997 has 2 divisors, whose sum is σ = 41658998. Its totient is φ = 41658996.

The previous prime is 41658989. The next prime is 41659063. The reversal of 41658997 is 79985614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40056241 + 1602756 = 6329^2 + 1266^2 .

It is a cyclic number.

It is not a de Polignac number, because 41658997 - 2³ = 41658989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41658997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41658907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20829498 + 20829499.

It is an arithmetic number, because the mean of its divisors is an integer number (20829499).

Almost surely, 2^41658997 is an apocalyptic number.

It is an amenable number.

41658997 is a deficient number, since it is larger than the sum of its proper divisors (1).

41658997 is an equidigital number, since it uses as much as digits as its factorization.

41658997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 41658997 is about 6454.3781265123. The cubic root of 41658997 is about 346.6593644706.

The spelling of 41658997 in words is "forty-one million, six hundred fifty-eight thousand, nine hundred ninety-seven".