102974393 has 2 divisors, whose sum is σ = 102974394. Its totient is φ = 102974392.

The previous prime is 102974387. The next prime is 102974407. The reversal of 102974393 is 393479201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102657424 + 316969 = 10132^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 102974393 - 2²² = 98780089 is a prime.

It is a super-2 number, since 2×102974393² = 21207451227436898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102974303) 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, 51487196 + 51487197.

It is an arithmetic number, because the mean of its divisors is an integer number (51487197).

Almost surely, 2^102974393 is an apocalyptic number.

It is an amenable number.

102974393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102974393 is an equidigital number, since it uses as much as digits as its factorization.

102974393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 102974393 is about 10147.6299203312. The cubic root of 102974393 is about 468.7159655763.

The spelling of 102974393 in words is "one hundred two million, nine hundred seventy-four thousand, three hundred ninety-three".