97042567 has 2 divisors, whose sum is σ = 97042568. Its totient is φ = 97042566.

The previous prime is 97042559. The next prime is 97042577. The reversal of 97042567 is 76524079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97042567 - 2³ = 97042559 is a prime.

It is a super-4 number, since 4×97042567⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97042537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48521283 + 48521284.

It is an arithmetic number, because the mean of its divisors is an integer number (48521284).

Almost surely, 2^97042567 is an apocalyptic number.

97042567 is a deficient number, since it is larger than the sum of its proper divisors (1).

97042567 is an equidigital number, since it uses as much as digits as its factorization.

97042567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 97042567 is about 9851.0185767767. The cubic root of 97042567 is about 459.5372899184.

The spelling of 97042567 in words is "ninety-seven million, forty-two thousand, five hundred sixty-seven".