97905497 has 4 divisors (see below), whose sum is σ = 98201616. Its totient is φ = 97609380.

The previous prime is 97905491. The next prime is 97905523. The reversal of 97905497 is 79450979.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97905497 - 2⁴ = 97905481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97905491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147563 + ... + 148224.

It is an arithmetic number, because the mean of its divisors is an integer number (24550404).

Almost surely, 2^97905497 is an apocalyptic number.

It is an amenable number.

97905497 is a deficient number, since it is larger than the sum of its proper divisors (296119).

97905497 is a wasteful number, since it uses less digits than its factorization.

97905497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296118.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 97905497 is about 9894.7206630607. The cubic root of 97905497 is about 460.8953842443.

The spelling of 97905497 in words is "ninety-seven million, nine hundred five thousand, four hundred ninety-seven".