245455603 has 2 divisors, whose sum is σ = 245455604. Its totient is φ = 245455602.

The previous prime is 245455601. The next prime is 245455619. The reversal of 245455603 is 306554542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245455603 - 2¹ = 245455601 is a prime.

Together with 245455601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245455601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122727801 + 122727802.

It is an arithmetic number, because the mean of its divisors is an integer number (122727802).

Almost surely, 2^245455603 is an apocalyptic number.

245455603 is a deficient number, since it is larger than the sum of its proper divisors (1).

245455603 is an equidigital number, since it uses as much as digits as its factorization.

245455603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 34.

The square root of 245455603 is about 15667.0227867326. The cubic root of 245455603 is about 626.1201059411.

The spelling of 245455603 in words is "two hundred forty-five million, four hundred fifty-five thousand, six hundred three".