245443513 has 8 divisors (see below), whose sum is σ = 280773632. Its totient is φ = 210180096.

The previous prime is 245443493. The next prime is 245443519. The reversal of 245443513 is 315344542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245443513 - 2⁹ = 245443001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245443519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8520 + ... + 23737.

It is an arithmetic number, because the mean of its divisors is an integer number (35096704).

Almost surely, 2^245443513 is an apocalyptic number.

It is an amenable number.

245443513 is a deficient number, since it is larger than the sum of its proper divisors (35330119).

245443513 is a wasteful number, since it uses less digits than its factorization.

245443513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33351.

The product of its digits is 28800, while the sum is 31.

The square root of 245443513 is about 15666.6369396881. The cubic root of 245443513 is about 626.1098258520.

The spelling of 245443513 in words is "two hundred forty-five million, four hundred forty-three thousand, five hundred thirteen".