245894969 has 4 divisors (see below), whose sum is σ = 247060560. Its totient is φ = 244729380.

The previous prime is 245894963. The next prime is 245894981. The reversal of 245894969 is 969498542.

It is a happy number.

245894969 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245894969 - 2²⁴ = 229117753 is a prime.

It is a super-2 number, since 2×245894969² = 120928671559021922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245894963) 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, 582479 + ... + 582900.

It is an arithmetic number, because the mean of its divisors is an integer number (61765140).

Almost surely, 2^245894969 is an apocalyptic number.

It is an amenable number.

245894969 is a deficient number, since it is larger than the sum of its proper divisors (1165591).

245894969 is a wasteful number, since it uses less digits than its factorization.

245894969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165590.

The product of its digits is 5598720, while the sum is 56.

The square root of 245894969 is about 15681.0385179044. The cubic root of 245894969 is about 626.4934686530.

The spelling of 245894969 in words is "two hundred forty-five million, eight hundred ninety-four thousand, nine hundred sixty-nine".