497496191 has 4 divisors (see below), whose sum is σ = 510942072. Its totient is φ = 484050312.

The previous prime is 497496163. The next prime is 497496217. The reversal of 497496191 is 191694794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191694794 = 2 ⋅95847397.

It is a cyclic number.

It is not a de Polignac number, because 497496191 - 2²⁶ = 430387327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497496161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6722885 + ... + 6722958.

It is an arithmetic number, because the mean of its divisors is an integer number (127735518).

Almost surely, 2^497496191 is an apocalyptic number.

497496191 is a deficient number, since it is larger than the sum of its proper divisors (13445881).

497496191 is a wasteful number, since it uses less digits than its factorization.

497496191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13445880.

The product of its digits is 489888, while the sum is 50.

The square root of 497496191 is about 22304.6226374714. The cubic root of 497496191 is about 792.3734586840.

The spelling of 497496191 in words is "four hundred ninety-seven million, four hundred ninety-six thousand, one hundred ninety-one".