497136971 has 4 divisors (see below), whose sum is σ = 497252112. Its totient is φ = 497021832.

The previous prime is 497136949. The next prime is 497136977. The reversal of 497136971 is 179631794.

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

It is a cyclic number.

It is not a de Polignac number, because 497136971 - 2¹⁴ = 497120587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497136977) 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, 50831 + ... + 59816.

It is an arithmetic number, because the mean of its divisors is an integer number (124313028).

Almost surely, 2^497136971 is an apocalyptic number.

497136971 is a deficient number, since it is larger than the sum of its proper divisors (115141).

497136971 is a wasteful number, since it uses less digits than its factorization.

497136971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115140.

The product of its digits is 285768, while the sum is 47.

The square root of 497136971 is about 22296.5685924987. The cubic root of 497136971 is about 792.1827001521.

It can be divided in two parts, 497136 and 971, that multiplied together give a triangular number (482719056 = T₃₁₀₇₁).

The spelling of 497136971 in words is "four hundred ninety-seven million, one hundred thirty-six thousand, nine hundred seventy-one".