523197451 has 8 divisors (see below), whose sum is σ = 610143200. Its totient is φ = 448454664.

The previous prime is 523197431. The next prime is 523197517. The reversal of 523197451 is 154791325.

It is not a de Polignac number, because 523197451 - 2⁵ = 523197419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 523197451.

It is not an unprimeable number, because it can be changed into a prime (523197401) 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 7 ways as a sum of consecutive naturals, for example, 762336 + ... + 763021.

It is an arithmetic number, because the mean of its divisors is an integer number (76267900).

Almost surely, 2^523197451 is an apocalyptic number.

523197451 is a deficient number, since it is larger than the sum of its proper divisors (86945749).

523197451 is an equidigital number, since it uses as much as digits as its factorization.

523197451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525378 (or 1525364 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 523197451 is about 22873.5098093843. The cubic root of 523197451 is about 805.7899995151.

The spelling of 523197451 in words is "five hundred twenty-three million, one hundred ninety-seven thousand, four hundred fifty-one".