90601207 has 2 divisors, whose sum is σ = 90601208. Its totient is φ = 90601206.

The previous prime is 90601193. The next prime is 90601213. The reversal of 90601207 is 70210609.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90601207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90601237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45300603 + 45300604.

It is an arithmetic number, because the mean of its divisors is an integer number (45300604).

Almost surely, 2^90601207 is an apocalyptic number.

90601207 is a deficient number, since it is larger than the sum of its proper divisors (1).

90601207 is an equidigital number, since it uses as much as digits as its factorization.

90601207 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 90601207 is about 9518.4666307132. The cubic root of 90601207 is about 449.1361319884.

The spelling of 90601207 in words is "ninety million, six hundred one thousand, two hundred seven".