97361861 has 2 divisors, whose sum is σ = 97361862. Its totient is φ = 97361860.

The previous prime is 97361843. The next prime is 97361897. The reversal of 97361861 is 16816379.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56325025 + 41036836 = 7505^2 + 6406^2 .

It is a cyclic number.

It is not a de Polignac number, because 97361861 - 2¹⁴ = 97345477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97361801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48680930 + 48680931.

It is an arithmetic number, because the mean of its divisors is an integer number (48680931).

Almost surely, 2^97361861 is an apocalyptic number.

It is an amenable number.

97361861 is a deficient number, since it is larger than the sum of its proper divisors (1).

97361861 is an equidigital number, since it uses as much as digits as its factorization.

97361861 is an odious number, because the sum of its binary digits is odd.

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

The square root of 97361861 is about 9867.2114095118. The cubic root of 97361861 is about 460.0407352080.

The spelling of 97361861 in words is "ninety-seven million, three hundred sixty-one thousand, eight hundred sixty-one".