97100505 has 64 divisors (see below), whose sum is σ = 180714240. Its totient is φ = 49420800.

The previous prime is 97100483. The next prime is 97100533. The reversal of 97100505 is 50500179.

It is not a de Polignac number, because 97100505 - 2⁸ = 97100249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 293190 + ... + 293520.

It is an arithmetic number, because the mean of its divisors is an integer number (2823660).

Almost surely, 2^97100505 is an apocalyptic number.

It is an amenable number.

97100505 is a deficient number, since it is larger than the sum of its proper divisors (83613735).

97100505 is a wasteful number, since it uses less digits than its factorization.

97100505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 97100505 is about 9853.9588491124. The cubic root of 97100505 is about 459.6287253075.

The spelling of 97100505 in words is "ninety-seven million, one hundred thousand, five hundred five".