245442959 has 4 divisors (see below), whose sum is σ = 256114416. Its totient is φ = 234771504.

The previous prime is 245442949. The next prime is 245442961. The reversal of 245442959 is 959244542.

245442959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245442959 is a prime.

It is a super-2 number, since 2×245442959² = 120484492245351362, 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 (245442919) 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, 5335694 + ... + 5335739.

It is an arithmetic number, because the mean of its divisors is an integer number (64028604).

Almost surely, 2^245442959 is an apocalyptic number.

245442959 is a deficient number, since it is larger than the sum of its proper divisors (10671457).

245442959 is a wasteful number, since it uses less digits than its factorization.

245442959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671456.

The product of its digits is 518400, while the sum is 44.

The square root of 245442959 is about 15666.6192587935. The cubic root of 245442959 is about 626.1093547795.

The spelling of 245442959 in words is "two hundred forty-five million, four hundred forty-two thousand, nine hundred fifty-nine".