496737221 has 2 divisors, whose sum is σ = 496737222. Its totient is φ = 496737220.

The previous prime is 496737217. The next prime is 496737223. The reversal of 496737221 is 122737694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440412196 + 56325025 = 20986^2 + 7505^2 .

It is a cyclic number.

It is not a de Polignac number, because 496737221 - 2² = 496737217 is a prime.

Together with 496737223, 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 (496737223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248368610 + 248368611.

It is an arithmetic number, because the mean of its divisors is an integer number (248368611).

Almost surely, 2^496737221 is an apocalyptic number.

It is an amenable number.

496737221 is a deficient number, since it is larger than the sum of its proper divisors (1).

496737221 is an equidigital number, since it uses as much as digits as its factorization.

496737221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 496737221 is about 22287.6024058219. The cubic root of 496737221 is about 791.9703106962.

The spelling of 496737221 in words is "four hundred ninety-six million, seven hundred thirty-seven thousand, two hundred twenty-one".