92541721 has 2 divisors, whose sum is σ = 92541722. Its totient is φ = 92541720.

The previous prime is 92541703. The next prime is 92541769. The reversal of 92541721 is 12714529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 7901721 = 9200^2 + 2811^2 .

It is an emirp because it is prime and its reverse (12714529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92541721 - 2¹⁷ = 92410649 is a prime.

It is equal to p_5355724 and since 92541721 and 5355724 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 (92541781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46270860 + 46270861.

It is an arithmetic number, because the mean of its divisors is an integer number (46270861).

Almost surely, 2^92541721 is an apocalyptic number.

It is an amenable number.

92541721 is a deficient number, since it is larger than the sum of its proper divisors (1).

92541721 is an equidigital number, since it uses as much as digits as its factorization.

92541721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 92541721 is about 9619.8607578280. The cubic root of 92541721 is about 452.3200688729.

The spelling of 92541721 in words is "ninety-two million, five hundred forty-one thousand, seven hundred twenty-one".