502125133 has 2 divisors, whose sum is σ = 502125134. Its totient is φ = 502125132.

The previous prime is 502125131. The next prime is 502125149. The reversal of 502125133 is 331521205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297148644 + 204976489 = 17238^2 + 14317^2 .

It is a cyclic number.

It is not a de Polignac number, because 502125133 - 2¹ = 502125131 is a prime.

Together with 502125131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502125131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251062566 + 251062567.

It is an arithmetic number, because the mean of its divisors is an integer number (251062567).

Almost surely, 2^502125133 is an apocalyptic number.

It is an amenable number.

502125133 is a deficient number, since it is larger than the sum of its proper divisors (1).

502125133 is an equidigital number, since it uses as much as digits as its factorization.

502125133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 502125133 is about 22408.1488079672. The cubic root of 502125133 is about 794.8234160762.

Adding to 502125133 its reverse (331521205), we get a palindrome (833646338).

The spelling of 502125133 in words is "five hundred two million, one hundred twenty-five thousand, one hundred thirty-three".