97722523 has 2 divisors, whose sum is σ = 97722524. Its totient is φ = 97722522.

The previous prime is 97722503. The next prime is 97722539. The reversal of 97722523 is 32522779.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97722523 is a prime.

It is not a weakly prime, because it can be changed into another prime (97722503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48861261 + 48861262.

It is an arithmetic number, because the mean of its divisors is an integer number (48861262).

Almost surely, 2^97722523 is an apocalyptic number.

97722523 is a deficient number, since it is larger than the sum of its proper divisors (1).

97722523 is an equidigital number, since it uses as much as digits as its factorization.

97722523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 37.

The square root of 97722523 is about 9885.4702973607. The cubic root of 97722523 is about 460.6080852171.

The spelling of 97722523 in words is "ninety-seven million, seven hundred twenty-two thousand, five hundred twenty-three".