245765099 has 2 divisors, whose sum is σ = 245765100. Its totient is φ = 245765098.

The previous prime is 245765071. The next prime is 245765101. The reversal of 245765099 is 990567542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245765099 - 2⁸ = 245764843 is a prime.

Together with 245765101, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245765059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122882549 + 122882550.

It is an arithmetic number, because the mean of its divisors is an integer number (122882550).

Almost surely, 2^245765099 is an apocalyptic number.

245765099 is a deficient number, since it is larger than the sum of its proper divisors (1).

245765099 is an equidigital number, since it uses as much as digits as its factorization.

245765099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 47.

The square root of 245765099 is about 15676.8969825026. The cubic root of 245765099 is about 626.3831545688.

The spelling of 245765099 in words is "two hundred forty-five million, seven hundred sixty-five thousand, ninety-nine".