97402369 has 2 divisors, whose sum is σ = 97402370. Its totient is φ = 97402368.

The previous prime is 97402363. The next prime is 97402373. The reversal of 97402369 is 96320479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49280400 + 48121969 = 7020^2 + 6937^2 .

It is an emirp because it is prime and its reverse (96320479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97402369 - 2⁵ = 97402337 is a prime.

It is a super-2 number, since 2×97402369² = 18974442973624322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97402363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48701184 + 48701185.

It is an arithmetic number, because the mean of its divisors is an integer number (48701185).

Almost surely, 2^97402369 is an apocalyptic number.

It is an amenable number.

97402369 is a deficient number, since it is larger than the sum of its proper divisors (1).

97402369 is an equidigital number, since it uses as much as digits as its factorization.

97402369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 97402369 is about 9869.2638529933. The cubic root of 97402369 is about 460.1045272858.

The spelling of 97402369 in words is "ninety-seven million, four hundred two thousand, three hundred sixty-nine".