245280923 has 2 divisors, whose sum is σ = 245280924. Its totient is φ = 245280922.

The previous prime is 245280887. The next prime is 245280961. The reversal of 245280923 is 329082542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245280923 - 2⁸ = 245280667 is a prime.

It is not a weakly prime, because it can be changed into another prime (245280223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122640461 + 122640462.

It is an arithmetic number, because the mean of its divisors is an integer number (122640462).

Almost surely, 2^245280923 is an apocalyptic number.

245280923 is a deficient number, since it is larger than the sum of its proper divisors (1).

245280923 is an equidigital number, since it uses as much as digits as its factorization.

245280923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 245280923 is about 15661.4470276536. The cubic root of 245280923 is about 625.9715432767.

The spelling of 245280923 in words is "two hundred forty-five million, two hundred eighty thousand, nine hundred twenty-three".