536807261 has 2 divisors, whose sum is σ = 536807262. Its totient is φ = 536807260.

The previous prime is 536807221. The next prime is 536807269. The reversal of 536807261 is 162708635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483736036 + 53071225 = 21994^2 + 7285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-536807261 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536807269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268403630 + 268403631.

It is an arithmetic number, because the mean of its divisors is an integer number (268403631).

Almost surely, 2^536807261 is an apocalyptic number.

It is an amenable number.

536807261 is a deficient number, since it is larger than the sum of its proper divisors (1).

536807261 is an equidigital number, since it uses as much as digits as its factorization.

536807261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 536807261 is about 23169.1014284111. The cubic root of 536807261 is about 812.7172176940.

The spelling of 536807261 in words is "five hundred thirty-six million, eight hundred seven thousand, two hundred sixty-one".