97142417 has 2 divisors, whose sum is σ = 97142418. Its totient is φ = 97142416.

The previous prime is 97142401. The next prime is 97142449. The reversal of 97142417 is 71424179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97140736 + 1681 = 9856^2 + 41^2 .

It is an emirp because it is prime and its reverse (71424179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97142417 - 2⁴ = 97142401 is a prime.

It is not a weakly prime, because it can be changed into another prime (97142917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48571208 + 48571209.

It is an arithmetic number, because the mean of its divisors is an integer number (48571209).

Almost surely, 2^97142417 is an apocalyptic number.

It is an amenable number.

97142417 is a deficient number, since it is larger than the sum of its proper divisors (1).

97142417 is an equidigital number, since it uses as much as digits as its factorization.

97142417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 97142417 is about 9856.0852776343. The cubic root of 97142417 is about 459.6948464471.

The spelling of 97142417 in words is "ninety-seven million, one hundred forty-two thousand, four hundred seventeen".