250513933 has 2 divisors, whose sum is σ = 250513934. Its totient is φ = 250513932.

The previous prime is 250513931. The next prime is 250513943. The reversal of 250513933 is 339315052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159845449 + 90668484 = 12643^2 + 9522^2 .

It is a cyclic number.

It is not a de Polignac number, because 250513933 - 2¹ = 250513931 is a prime.

Together with 250513931, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 250513895 and 250513904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250513931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125256966 + 125256967.

It is an arithmetic number, because the mean of its divisors is an integer number (125256967).

Almost surely, 2^250513933 is an apocalyptic number.

It is an amenable number.

250513933 is a deficient number, since it is larger than the sum of its proper divisors (1).

250513933 is an equidigital number, since it uses as much as digits as its factorization.

250513933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 250513933 is about 15827.6319454301. The cubic root of 250513933 is about 630.3919061509.

Adding to 250513933 its reverse (339315052), we get a palindrome (589828985).

The spelling of 250513933 in words is "two hundred fifty million, five hundred thirteen thousand, nine hundred thirty-three".