524472491 has 4 divisors (see below), whose sum is σ = 555323832. Its totient is φ = 493621152.

The previous prime is 524472469. The next prime is 524472499. The reversal of 524472491 is 194274425.

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 524472491 - 2¹⁸ = 524210347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (524472499) 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, 15425645 + ... + 15425678.

It is an arithmetic number, because the mean of its divisors is an integer number (138830958).

Almost surely, 2^524472491 is an apocalyptic number.

524472491 is a deficient number, since it is larger than the sum of its proper divisors (30851341).

524472491 is a wasteful number, since it uses less digits than its factorization.

524472491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30851340.

The product of its digits is 80640, while the sum is 38.

The square root of 524472491 is about 22901.3643916689. The cubic root of 524472491 is about 806.4440425850. Note that the first 3 decimals are identical.

It can be divided in two parts, 524472 and 491, that multiplied together give a palindrome (257515752).

The spelling of 524472491 in words is "five hundred twenty-four million, four hundred seventy-two thousand, four hundred ninety-one".