245655383 has 2 divisors, whose sum is σ = 245655384. Its totient is φ = 245655382.

The previous prime is 245655379. The next prime is 245655401. The reversal of 245655383 is 383556542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245655383 - 2² = 245655379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245655383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245655343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122827691 + 122827692.

It is an arithmetic number, because the mean of its divisors is an integer number (122827692).

Almost surely, 2^245655383 is an apocalyptic number.

245655383 is a deficient number, since it is larger than the sum of its proper divisors (1).

245655383 is an equidigital number, since it uses as much as digits as its factorization.

245655383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 41.

The square root of 245655383 is about 15673.3973024357. The cubic root of 245655383 is about 626.2899293932.

The spelling of 245655383 in words is "two hundred forty-five million, six hundred fifty-five thousand, three hundred eighty-three".