245642933 has 2 divisors, whose sum is σ = 245642934. Its totient is φ = 245642932.

The previous prime is 245642927. The next prime is 245642939. The reversal of 245642933 is 339246542.

It is a balanced prime because it is at equal distance from previous prime (245642927) and next prime (245642939).

It can be written as a sum of positive squares in only one way, i.e., 245642929 + 4 = 15673^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 245642933 - 2⁶ = 245642869 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245642939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122821466 + 122821467.

It is an arithmetic number, because the mean of its divisors is an integer number (122821467).

Almost surely, 2^245642933 is an apocalyptic number.

It is an amenable number.

245642933 is a deficient number, since it is larger than the sum of its proper divisors (1).

245642933 is an equidigital number, since it uses as much as digits as its factorization.

245642933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

The square root of 245642933 is about 15673.0001276080. Note that the first 3 decimals coincide. The cubic root of 245642933 is about 626.2793489326.

The spelling of 245642933 in words is "two hundred forty-five million, six hundred forty-two thousand, nine hundred thirty-three".