523049837 has 2 divisors, whose sum is σ = 523049838. Its totient is φ = 523049836.

The previous prime is 523049801. The next prime is 523049867. The reversal of 523049837 is 738940325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316092841 + 206956996 = 17779^2 + 14386^2 .

It is a cyclic number.

It is not a de Polignac number, because 523049837 - 2⁶ = 523049773 is a prime.

It is a super-2 number, since 2×523049837² = 547162263971453138, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 523049794 and 523049803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523049867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261524918 + 261524919.

It is an arithmetic number, because the mean of its divisors is an integer number (261524919).

Almost surely, 2^523049837 is an apocalyptic number.

It is an amenable number.

523049837 is a deficient number, since it is larger than the sum of its proper divisors (1).

523049837 is an equidigital number, since it uses as much as digits as its factorization.

523049837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 523049837 is about 22870.2828360298. The cubic root of 523049837 is about 805.7142110004.

The spelling of 523049837 in words is "five hundred twenty-three million, forty-nine thousand, eight hundred thirty-seven".