97892213 has 2 divisors, whose sum is σ = 97892214. Its totient is φ = 97892212.

The previous prime is 97892189. The next prime is 97892231. The reversal of 97892213 is 31229879.

It is a happy number.

97892213 is nontrivially palindromic in base 8 and base 14.

Together with next prime (97892231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84511249 + 13380964 = 9193^2 + 3658^2 .

It is a cyclic number.

It is not a de Polignac number, because 97892213 - 2¹² = 97888117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97892413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48946106 + 48946107.

It is an arithmetic number, because the mean of its divisors is an integer number (48946107).

Almost surely, 2^97892213 is an apocalyptic number.

It is an amenable number.

97892213 is a deficient number, since it is larger than the sum of its proper divisors (1).

97892213 is an equidigital number, since it uses as much as digits as its factorization.

97892213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 97892213 is about 9894.0493732344. The cubic root of 97892213 is about 460.8745382537.

The spelling of 97892213 in words is "ninety-seven million, eight hundred ninety-two thousand, two hundred thirteen".