97475407 has 2 divisors, whose sum is σ = 97475408. Its totient is φ = 97475406.

The previous prime is 97475401. The next prime is 97475429. The reversal of 97475407 is 70457479.

It is a weak prime.

It is an emirp because it is prime and its reverse (70457479) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97475407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97475401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48737703 + 48737704.

It is an arithmetic number, because the mean of its divisors is an integer number (48737704).

Almost surely, 2^97475407 is an apocalyptic number.

97475407 is a deficient number, since it is larger than the sum of its proper divisors (1).

97475407 is an equidigital number, since it uses as much as digits as its factorization.

97475407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 97475407 is about 9872.9634355648. The cubic root of 97475407 is about 460.2195029913.

The spelling of 97475407 in words is "ninety-seven million, four hundred seventy-five thousand, four hundred seven".