97890041 has 2 divisors, whose sum is σ = 97890042. Its totient is φ = 97890040.

The previous prime is 97890017. The next prime is 97890061. The reversal of 97890041 is 14009879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 16168441 = 9040^2 + 4021^2 .

It is a cyclic number.

It is not a de Polignac number, because 97890041 - 2⁶ = 97889977 is a prime.

It is a super-3 number, since 3×97890041³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 97889977 and 97890004.

It is not a weakly prime, because it can be changed into another prime (97890061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48945020 + 48945021.

It is an arithmetic number, because the mean of its divisors is an integer number (48945021).

Almost surely, 2^97890041 is an apocalyptic number.

It is an amenable number.

97890041 is a deficient number, since it is larger than the sum of its proper divisors (1).

97890041 is an equidigital number, since it uses as much as digits as its factorization.

97890041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 97890041 is about 9893.9396096803. The cubic root of 97890041 is about 460.8711296513.

It can be divided in two parts, 978 and 90041, that added together give a palindrome (91019).

The spelling of 97890041 in words is "ninety-seven million, eight hundred ninety thousand, forty-one".