245036443 has 2 divisors, whose sum is σ = 245036444. Its totient is φ = 245036442.

The previous prime is 245036413. The next prime is 245036471. The reversal of 245036443 is 344630542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245036443 is a prime.

It is not a weakly prime, because it can be changed into another prime (245036413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122518221 + 122518222.

It is an arithmetic number, because the mean of its divisors is an integer number (122518222).

Almost surely, 2^245036443 is an apocalyptic number.

245036443 is a deficient number, since it is larger than the sum of its proper divisors (1).

245036443 is an equidigital number, since it uses as much as digits as its factorization.

245036443 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 31.

The square root of 245036443 is about 15653.6399281445. The cubic root of 245036443 is about 625.7634982928.

Adding to 245036443 its reverse (344630542), we get a palindrome (589666985).

The spelling of 245036443 in words is "two hundred forty-five million, thirty-six thousand, four hundred forty-three".