497003397 has 16 divisors (see below), whose sum is σ = 724819968. Its totient is φ = 300420080.

The previous prime is 497003393. The next prime is 497003407. The reversal of 497003397 is 793300794.

It is a cyclic number.

It is not a de Polignac number, because 497003397 - 2² = 497003393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497003393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7023 + ... + 32300.

It is an arithmetic number, because the mean of its divisors is an integer number (45301248).

Almost surely, 2^497003397 is an apocalyptic number.

It is an amenable number.

497003397 is a deficient number, since it is larger than the sum of its proper divisors (227816571).

497003397 is a wasteful number, since it uses less digits than its factorization.

497003397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39720.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 497003397 is about 22293.5729976153. The cubic root of 497003397 is about 792.1117441939. Note that the first 3 decimals are identical.

The spelling of 497003397 in words is "four hundred ninety-seven million, three thousand, three hundred ninety-seven".