245275447 has 4 divisors (see below), whose sum is σ = 245334376. Its totient is φ = 245216520.

The previous prime is 245275363. The next prime is 245275451. The reversal of 245275447 is 744572542.

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-245275447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245245447) 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, 22704 + ... + 31717.

It is an arithmetic number, because the mean of its divisors is an integer number (61333594).

Almost surely, 2^245275447 is an apocalyptic number.

245275447 is a deficient number, since it is larger than the sum of its proper divisors (58929).

245275447 is an equidigital number, since it uses as much as digits as its factorization.

245275447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58928.

The product of its digits is 313600, while the sum is 40.

The square root of 245275447 is about 15661.2722024745. The cubic root of 245275447 is about 625.9668848825.

The spelling of 245275447 in words is "two hundred forty-five million, two hundred seventy-five thousand, four hundred forty-seven".