523053045 has 20 divisors (see below), whose sum is σ = 937621740. Its totient is φ = 278961408.

The previous prime is 523053029. The next prime is 523053061. The reversal of 523053045 is 540350325.

523053045 is a `hidden beast` number, since 52 + 305 + 304 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (523053029) and next prime (523053061).

It can be written as a sum of positive squares in 2 ways, for example, as 56881764 + 466171281 = 7542^2 + 21591^2 .

It is not a de Polignac number, because 523053045 - 2⁴ = 523053029 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 645340 + ... + 646149.

It is an arithmetic number, because the mean of its divisors is an integer number (46881087).

Almost surely, 2^523053045 is an apocalyptic number.

It is an amenable number.

523053045 is a deficient number, since it is larger than the sum of its proper divisors (414568695).

523053045 is a wasteful number, since it uses less digits than its factorization.

523053045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291506 (or 1291497 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 523053045 is about 22870.3529706037. The cubic root of 523053045 is about 805.7158582149.

The spelling of 523053045 in words is "five hundred twenty-three million, fifty-three thousand, forty-five".