497851507 has 4 divisors (see below), whose sum is σ = 499238640. Its totient is φ = 496464376.

The previous prime is 497851469. The next prime is 497851517. The reversal of 497851507 is 705158794.

It is a happy number.

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 497851507 - 2¹¹ = 497849459 is a prime.

It is a super-2 number, since 2×497851507² = 495712246044342098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497851517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693028 + ... + 693745.

It is an arithmetic number, because the mean of its divisors is an integer number (124809660).

Almost surely, 2^497851507 is an apocalyptic number.

497851507 is a deficient number, since it is larger than the sum of its proper divisors (1387133).

497851507 is a wasteful number, since it uses less digits than its factorization.

497851507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387132.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 497851507 is about 22312.5862911497. The cubic root of 497851507 is about 792.5620537411.

The spelling of 497851507 in words is "four hundred ninety-seven million, eight hundred fifty-one thousand, five hundred seven".