97490255 has 4 divisors (see below), whose sum is σ = 116988312. Its totient is φ = 77992200.

The previous prime is 97490231. The next prime is 97490269. The reversal of 97490255 is 55209479.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55209479 = 13 ⋅4246883.

It is not a de Polignac number, because 97490255 - 2⁶ = 97490191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 9749021 + ... + 9749030.

It is an arithmetic number, because the mean of its divisors is an integer number (29247078).

Almost surely, 2^97490255 is an apocalyptic number.

97490255 is a deficient number, since it is larger than the sum of its proper divisors (19498057).

97490255 is a wasteful number, since it uses less digits than its factorization.

97490255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19498056.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 97490255 is about 9873.7153594784. The cubic root of 97490255 is about 460.2428695424.

The spelling of 97490255 in words is "ninety-seven million, four hundred ninety thousand, two hundred fifty-five".