97901093 has 2 divisors, whose sum is σ = 97901094. Its totient is φ = 97901092.

The previous prime is 97901081. The next prime is 97901101. The reversal of 97901093 is 39010979.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87928129 + 9972964 = 9377^2 + 3158^2 .

It is a cyclic number.

It is not a de Polignac number, because 97901093 - 2⁴ = 97901077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97901693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48950546 + 48950547.

It is an arithmetic number, because the mean of its divisors is an integer number (48950547).

Almost surely, 2^97901093 is an apocalyptic number.

It is an amenable number.

97901093 is a deficient number, since it is larger than the sum of its proper divisors (1).

97901093 is an equidigital number, since it uses as much as digits as its factorization.

97901093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 97901093 is about 9894.4981176409. The cubic root of 97901093 is about 460.8884734519. Note that the first 3 decimals are identical.

The spelling of 97901093 in words is "ninety-seven million, nine hundred one thousand, ninety-three".