245485387 has 16 divisors (see below), whose sum is σ = 285534720. Its totient is φ = 206699328.

The previous prime is 245485367. The next prime is 245485391. The reversal of 245485387 is 783584542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245485387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245485337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303039 + ... + 303847.

It is an arithmetic number, because the mean of its divisors is an integer number (17845920).

Almost surely, 2^245485387 is an apocalyptic number.

245485387 is a deficient number, since it is larger than the sum of its proper divisors (40049333).

245485387 is an equidigital number, since it uses as much as digits as its factorization.

245485387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its digits is 1075200, while the sum is 46.

The square root of 245485387 is about 15667.9732894845. The cubic root of 245485387 is about 626.1454297427.

The spelling of 245485387 in words is "two hundred forty-five million, four hundred eighty-five thousand, three hundred eighty-seven".