97405505 has 4 divisors (see below), whose sum is σ = 116886612. Its totient is φ = 77924400.

The previous prime is 97405489. The next prime is 97405523. The reversal of 97405505 is 50550479.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31730689 + 65674816 = 5633^2 + 8104^2 .

It is not a de Polignac number, because 97405505 - 2⁴ = 97405489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740546 + ... + 9740555.

It is an arithmetic number, because the mean of its divisors is an integer number (29221653).

Almost surely, 2^97405505 is an apocalyptic number.

It is an amenable number.

97405505 is a deficient number, since it is larger than the sum of its proper divisors (19481107).

97405505 is a wasteful number, since it uses less digits than its factorization.

97405505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481106.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 97405505 is about 9869.4227288125. The cubic root of 97405505 is about 460.1094651271.

The spelling of 97405505 in words is "ninety-seven million, four hundred five thousand, five hundred five".