497370247 has 4 divisors (see below), whose sum is σ = 542585736. Its totient is φ = 452154760.

The previous prime is 497370229. The next prime is 497370283. The reversal of 497370247 is 742073794.

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 497370247 - 2¹⁵ = 497337479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497370287) 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, 22607728 + ... + 22607749.

It is an arithmetic number, because the mean of its divisors is an integer number (135646434).

Almost surely, 2^497370247 is an apocalyptic number.

497370247 is a deficient number, since it is larger than the sum of its proper divisors (45215489).

497370247 is a wasteful number, since it uses less digits than its factorization.

497370247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45215488.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 497370247 is about 22301.7991875095. The cubic root of 497370247 is about 792.3065884198.

The spelling of 497370247 in words is "four hundred ninety-seven million, three hundred seventy thousand, two hundred forty-seven".