245387099 has 4 divisors (see below), whose sum is σ = 246620400. Its totient is φ = 244153800.

The previous prime is 245387083. The next prime is 245387101. The reversal of 245387099 is 990783542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245387099 - 2⁴ = 245387083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245387029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616352 + ... + 616749.

It is an arithmetic number, because the mean of its divisors is an integer number (61655100).

Almost surely, 2^245387099 is an apocalyptic number.

245387099 is a deficient number, since it is larger than the sum of its proper divisors (1233301).

245387099 is a wasteful number, since it uses less digits than its factorization.

245387099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233300.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 245387099 is about 15664.8363859952. The cubic root of 245387099 is about 626.0618527417.

The spelling of 245387099 in words is "two hundred forty-five million, three hundred eighty-seven thousand, ninety-nine".