497423827 has 2 divisors, whose sum is σ = 497423828. Its totient is φ = 497423826.

The previous prime is 497423807. The next prime is 497423851. The reversal of 497423827 is 728324794.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-497423827 is a prime.

It is not a weakly prime, because it can be changed into another prime (497423807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248711913 + 248711914.

It is an arithmetic number, because the mean of its divisors is an integer number (248711914).

Almost surely, 2^497423827 is an apocalyptic number.

497423827 is a deficient number, since it is larger than the sum of its proper divisors (1).

497423827 is an equidigital number, since it uses as much as digits as its factorization.

497423827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The square root of 497423827 is about 22303.0004035332. Note that the first 3 decimals coincide. The cubic root of 497423827 is about 792.3350382268.

The spelling of 497423827 in words is "four hundred ninety-seven million, four hundred twenty-three thousand, eight hundred twenty-seven".