97926481 has 2 divisors, whose sum is σ = 97926482. Its totient is φ = 97926480.

The previous prime is 97926467. The next prime is 97926487. The reversal of 97926481 is 18462979.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76387600 + 21538881 = 8740^2 + 4641^2 .

It is an emirp because it is prime and its reverse (18462979) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97926481 - 2¹⁵ = 97893713 is a prime.

It is a super-2 number, since 2×97926481² = 19179191362086722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97926487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48963240 + 48963241.

It is an arithmetic number, because the mean of its divisors is an integer number (48963241).

Almost surely, 2^97926481 is an apocalyptic number.

It is an amenable number.

97926481 is a deficient number, since it is larger than the sum of its proper divisors (1).

97926481 is an equidigital number, since it uses as much as digits as its factorization.

97926481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 97926481 is about 9895.7809696860. The cubic root of 97926481 is about 460.9283096611.

The spelling of 97926481 in words is "ninety-seven million, nine hundred twenty-six thousand, four hundred eighty-one".