245205733 has 2 divisors, whose sum is σ = 245205734. Its totient is φ = 245205732.

The previous prime is 245205731. The next prime is 245205743. The reversal of 245205733 is 337502542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240808324 + 4397409 = 15518^2 + 2097^2 .

It is a cyclic number.

It is not a de Polignac number, because 245205733 - 2¹ = 245205731 is a prime.

Together with 245205731, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 245205695 and 245205704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245205731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122602866 + 122602867.

It is an arithmetic number, because the mean of its divisors is an integer number (122602867).

Almost surely, 2^245205733 is an apocalyptic number.

It is an amenable number.

245205733 is a deficient number, since it is larger than the sum of its proper divisors (1).

245205733 is an equidigital number, since it uses as much as digits as its factorization.

245205733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 245205733 is about 15659.0463630452. The cubic root of 245205733 is about 625.9075736183.

The spelling of 245205733 in words is "two hundred forty-five million, two hundred five thousand, seven hundred thirty-three".