500228537 has 2 divisors, whose sum is σ = 500228538. Its totient is φ = 500228536.

The previous prime is 500228497. The next prime is 500228539. The reversal of 500228537 is 735822005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 346369321 + 153859216 = 18611^2 + 12404^2 .

It is a cyclic number.

It is not a de Polignac number, because 500228537 - 2¹⁰ = 500227513 is a prime.

Together with 500228539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500228539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250114268 + 250114269.

It is an arithmetic number, because the mean of its divisors is an integer number (250114269).

Almost surely, 2^500228537 is an apocalyptic number.

It is an amenable number.

500228537 is a deficient number, since it is larger than the sum of its proper divisors (1).

500228537 is an equidigital number, since it uses as much as digits as its factorization.

500228537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 500228537 is about 22365.7894338653. The cubic root of 500228537 is about 793.8214341894.

The spelling of 500228537 in words is "five hundred million, two hundred twenty-eight thousand, five hundred thirty-seven".