6497500403 has 4 divisors (see below), whose sum is σ = 6673108560. Its totient is φ = 6321892248.

The previous prime is 6497500393. The next prime is 6497500409. The reversal of 6497500403 is 3040057946.

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 6497500403 - 2¹⁸ = 6497238259 is a prime.

It is a super-2 number, since 2×6497500403² = 84435022973970324818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6497500409) 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, 87804023 + ... + 87804096.

It is an arithmetic number, because the mean of its divisors is an integer number (1668277140).

Almost surely, 2^6497500403 is an apocalyptic number.

6497500403 is a deficient number, since it is larger than the sum of its proper divisors (175608157).

6497500403 is a wasteful number, since it uses less digits than its factorization.

6497500403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175608156.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 6497500403 is about 80607.0741498536. The cubic root of 6497500403 is about 1866.0163227707.

The spelling of 6497500403 in words is "six billion, four hundred ninety-seven million, five hundred thousand, four hundred three".