91654403 has 2 divisors, whose sum is σ = 91654404. Its totient is φ = 91654402.

The previous prime is 91654399. The next prime is 91654421. The reversal of 91654403 is 30445619.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91654403 - 2² = 91654399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91654403.

It is not a weakly prime, because it can be changed into another prime (91654483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45827201 + 45827202.

It is an arithmetic number, because the mean of its divisors is an integer number (45827202).

Almost surely, 2^91654403 is an apocalyptic number.

91654403 is a deficient number, since it is larger than the sum of its proper divisors (1).

91654403 is an equidigital number, since it uses as much as digits as its factorization.

91654403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 91654403 is about 9573.6306070372. The cubic root of 91654403 is about 450.8697631003.

The spelling of 91654403 in words is "ninety-one million, six hundred fifty-four thousand, four hundred three".