497961 has 8 divisors (see below), whose sum is σ = 737760. Its totient is φ = 331956.

The previous prime is 497957. The next prime is 497963. The reversal of 497961 is 169794.

It is not a de Polignac number, because 497961 - 2² = 497957 is a prime.

497961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (497963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9195 + ... + 9248.

It is an arithmetic number, because the mean of its divisors is an integer number (92220).

2⁴⁹⁷⁹⁶¹ is an apocalyptic number.

It is an amenable number.

497961 is a deficient number, since it is larger than the sum of its proper divisors (239799).

497961 is a wasteful number, since it uses less digits than its factorization.

497961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452 (or 18446 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 497961 is about 705.6635175493. The cubic root of 497961 is about 79.2620152481.

The spelling of 497961 in words is "four hundred ninety-seven thousand, nine hundred sixty-one".