245895043 has 2 divisors, whose sum is σ = 245895044. Its totient is φ = 245895042.

The previous prime is 245894983. The next prime is 245895061. The reversal of 245895043 is 340598542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245895043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245894987 and 245895005.

It is not a weakly prime, because it can be changed into another prime (245898043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122947521 + 122947522.

It is an arithmetic number, because the mean of its divisors is an integer number (122947522).

Almost surely, 2^245895043 is an apocalyptic number.

245895043 is a deficient number, since it is larger than the sum of its proper divisors (1).

245895043 is an equidigital number, since it uses as much as digits as its factorization.

245895043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 245895043 is about 15681.0408774418. The cubic root of 245895043 is about 626.4935314990.

The spelling of 245895043 in words is "two hundred forty-five million, eight hundred ninety-five thousand, forty-three".