97242449 has 2 divisors, whose sum is σ = 97242450. Its totient is φ = 97242448.

The previous prime is 97242433. The next prime is 97242461. The reversal of 97242449 is 94424279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52780225 + 44462224 = 7265^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 97242449 - 2⁴ = 97242433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97242149) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48621224 + 48621225.

It is an arithmetic number, because the mean of its divisors is an integer number (48621225).

Almost surely, 2^97242449 is an apocalyptic number.

It is an amenable number.

97242449 is a deficient number, since it is larger than the sum of its proper divisors (1).

97242449 is an equidigital number, since it uses as much as digits as its factorization.

97242449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 97242449 is about 9861.1586033285. The cubic root of 97242449 is about 459.8525819359.

The spelling of 97242449 in words is "ninety-seven million, two hundred forty-two thousand, four hundred forty-nine".