523782001 has 2 divisors, whose sum is σ = 523782002. Its totient is φ = 523782000.

The previous prime is 523781977. The next prime is 523782029. The reversal of 523782001 is 100287325.

It is an a-pointer prime, because the next prime (523782029) can be obtained adding 523782001 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486864225 + 36917776 = 22065^2 + 6076^2 .

It is a cyclic number.

It is not a de Polignac number, because 523782001 - 2¹¹ = 523779953 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (523789001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261891000 + 261891001.

It is an arithmetic number, because the mean of its divisors is an integer number (261891001).

Almost surely, 2^523782001 is an apocalyptic number.

It is an amenable number.

523782001 is a deficient number, since it is larger than the sum of its proper divisors (1).

523782001 is an equidigital number, since it uses as much as digits as its factorization.

523782001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 523782001 is about 22886.2841239027. The cubic root of 523782001 is about 806.0899813750.

The spelling of 523782001 in words is "five hundred twenty-three million, seven hundred eighty-two thousand, one".