506832749 has 2 divisors, whose sum is σ = 506832750. Its totient is φ = 506832748.

The previous prime is 506832727. The next prime is 506832751. The reversal of 506832749 is 947238605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 329676649 + 177156100 = 18157^2 + 13310^2 .

It is a cyclic number.

It is not a de Polignac number, because 506832749 - 2¹² = 506828653 is a prime.

Together with 506832751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506832769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253416374 + 253416375.

It is an arithmetic number, because the mean of its divisors is an integer number (253416375).

Almost surely, 2^506832749 is an apocalyptic number.

It is an amenable number.

506832749 is a deficient number, since it is larger than the sum of its proper divisors (1).

506832749 is an equidigital number, since it uses as much as digits as its factorization.

506832749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 506832749 is about 22512.9462532117. The cubic root of 506832749 is about 797.2996186189.

The spelling of 506832749 in words is "five hundred six million, eight hundred thirty-two thousand, seven hundred forty-nine".