245324399 has 4 divisors (see below), whose sum is σ = 259755264. Its totient is φ = 230893536.

The previous prime is 245324389. The next prime is 245324407. The reversal of 245324399 is 993423542.

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 245324399 - 2¹⁶ = 245258863 is a prime.

It is a super-2 number, since 2×245324399² = 120368121489422402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245324389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215407 + ... + 7215440.

It is an arithmetic number, because the mean of its divisors is an integer number (64938816).

Almost surely, 2^245324399 is an apocalyptic number.

245324399 is a deficient number, since it is larger than the sum of its proper divisors (14430865).

245324399 is a wasteful number, since it uses less digits than its factorization.

245324399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430864.

The product of its digits is 233280, while the sum is 41.

The square root of 245324399 is about 15662.8349605044. The cubic root of 245324399 is about 626.0085255400.

The spelling of 245324399 in words is "two hundred forty-five million, three hundred twenty-four thousand, three hundred ninety-nine".