97451985 has 8 divisors (see below), whose sum is σ = 155923200. Its totient is φ = 51974384.

The previous prime is 97451933. The next prime is 97451993. The reversal of 97451985 is 58915479.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97451985 - 2⁷ = 97451857 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248385 + ... + 3248414.

It is an arithmetic number, because the mean of its divisors is an integer number (19490400).

Almost surely, 2^97451985 is an apocalyptic number.

It is an amenable number.

97451985 is a deficient number, since it is larger than the sum of its proper divisors (58471215).

97451985 is a wasteful number, since it uses less digits than its factorization.

97451985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496807.

The product of its digits is 453600, while the sum is 48.

The square root of 97451985 is about 9871.7771956219. Note that the first 3 decimals coincide. The cubic root of 97451985 is about 460.1826385656.

The spelling of 97451985 in words is "ninety-seven million, four hundred fifty-one thousand, nine hundred eighty-five".