91374001 has 2 divisors, whose sum is σ = 91374002. Its totient is φ = 91374000.

The previous prime is 91373987. The next prime is 91374029. The reversal of 91374001 is 10047319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83539600 + 7834401 = 9140^2 + 2799^2 .

It is an emirp because it is prime and its reverse (10047319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91374001 - 2¹³ = 91365809 is a prime.

It is not a weakly prime, because it can be changed into another prime (91374061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45687000 + 45687001.

It is an arithmetic number, because the mean of its divisors is an integer number (45687001).

Almost surely, 2^91374001 is an apocalyptic number.

It is an amenable number.

91374001 is a deficient number, since it is larger than the sum of its proper divisors (1).

91374001 is an equidigital number, since it uses as much as digits as its factorization.

91374001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 91374001 is about 9558.9748927382. The cubic root of 91374001 is about 450.4095054214.

The spelling of 91374001 in words is "ninety-one million, three hundred seventy-four thousand, one".