523994075 has 12 divisors (see below), whose sum is σ = 708821448. Its totient is φ = 381086400.

The previous prime is 523994071. The next prime is 523994083. The reversal of 523994075 is 570499325.

It is not a de Polignac number, because 523994075 - 2² = 523994071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523994071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952442 + ... + 952991.

It is an arithmetic number, because the mean of its divisors is an integer number (59068454).

Almost surely, 2^523994075 is an apocalyptic number.

523994075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

523994075 is a deficient number, since it is larger than the sum of its proper divisors (184827373).

523994075 is a wasteful number, since it uses less digits than its factorization.

523994075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905454 (or 1905449 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 523994075 is about 22890.9168667400. The cubic root of 523994075 is about 806.1987592377.

The spelling of 523994075 in words is "five hundred twenty-three million, nine hundred ninety-four thousand, seventy-five".