97204451 has 2 divisors, whose sum is σ = 97204452. Its totient is φ = 97204450.

The previous prime is 97204427. The next prime is 97204469. The reversal of 97204451 is 15440279.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97204451 - 2²² = 93010147 is a prime.

It is a super-2 number, since 2×97204451² = 18897410588422802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97204951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48602225 + 48602226.

It is an arithmetic number, because the mean of its divisors is an integer number (48602226).

Almost surely, 2^97204451 is an apocalyptic number.

97204451 is a deficient number, since it is larger than the sum of its proper divisors (1).

97204451 is an equidigital number, since it uses as much as digits as its factorization.

97204451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 97204451 is about 9859.2317652036. The cubic root of 97204451 is about 459.7926775251.

The spelling of 97204451 in words is "ninety-seven million, two hundred four thousand, four hundred fifty-one".