245464199 has 2 divisors, whose sum is σ = 245464200. Its totient is φ = 245464198.

The previous prime is 245464189. The next prime is 245464201. The reversal of 245464199 is 991464542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245464199 - 2²⁰ = 244415623 is a prime.

Together with 245464201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245464159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122732099 + 122732100.

It is an arithmetic number, because the mean of its divisors is an integer number (122732100).

Almost surely, 2^245464199 is an apocalyptic number.

245464199 is a deficient number, since it is larger than the sum of its proper divisors (1).

245464199 is an equidigital number, since it uses as much as digits as its factorization.

245464199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 245464199 is about 15667.2971185205. The cubic root of 245464199 is about 626.1274148876.

The spelling of 245464199 in words is "two hundred forty-five million, four hundred sixty-four thousand, one hundred ninety-nine".