499342537 has 4 divisors (see below), whose sum is σ = 503274496. Its totient is φ = 495410580.

The previous prime is 499342511. The next prime is 499342549. The reversal of 499342537 is 735243994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499342537 - 2⁷ = 499342409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499342507) 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, 1965789 + ... + 1966042.

It is an arithmetic number, because the mean of its divisors is an integer number (125818624).

Almost surely, 2^499342537 is an apocalyptic number.

It is an amenable number.

499342537 is a deficient number, since it is larger than the sum of its proper divisors (3931959).

499342537 is a wasteful number, since it uses less digits than its factorization.

499342537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931958.

The product of its digits is 816480, while the sum is 46.

The square root of 499342537 is about 22345.9736194241. The cubic root of 499342537 is about 793.3524875720.

The spelling of 499342537 in words is "four hundred ninety-nine million, three hundred forty-two thousand, five hundred thirty-seven".