97512407 has 2 divisors, whose sum is σ = 97512408. Its totient is φ = 97512406.

The previous prime is 97512383. The next prime is 97512409. The reversal of 97512407 is 70421579.

It is a strong prime.

It is an emirp because it is prime and its reverse (70421579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97512407 - 2¹⁶ = 97446871 is a prime.

Together with 97512409, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97512409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48756203 + 48756204.

It is an arithmetic number, because the mean of its divisors is an integer number (48756204).

Almost surely, 2^97512407 is an apocalyptic number.

97512407 is a deficient number, since it is larger than the sum of its proper divisors (1).

97512407 is an equidigital number, since it uses as much as digits as its factorization.

97512407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 97512407 is about 9874.8370619469. The cubic root of 97512407 is about 460.2777261133.

The spelling of 97512407 in words is "ninety-seven million, five hundred twelve thousand, four hundred seven".