91527461 has 2 divisors, whose sum is σ = 91527462. Its totient is φ = 91527460.

The previous prime is 91527437. The next prime is 91527481. The reversal of 91527461 is 16472519.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54390625 + 37136836 = 7375^2 + 6094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91527461 is a prime.

It is a super-2 number, since 2×91527461² = 16754552234213042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91527481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45763730 + 45763731.

It is an arithmetic number, because the mean of its divisors is an integer number (45763731).

Almost surely, 2^91527461 is an apocalyptic number.

It is an amenable number.

91527461 is a deficient number, since it is larger than the sum of its proper divisors (1).

91527461 is an equidigital number, since it uses as much as digits as its factorization.

91527461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 91527461 is about 9566.9985366362. The cubic root of 91527461 is about 450.6615143192.

The spelling of 91527461 in words is "ninety-one million, five hundred twenty-seven thousand, four hundred sixty-one".