245475387 has 16 divisors (see below), whose sum is σ = 364142080. Its totient is φ = 163436616.

The previous prime is 245475371. The next prime is 245475397. The reversal of 245475387 is 783574542.

245475387 is a `hidden beast` number, since 24 + 547 + 5 + 3 + 87 = 666.

245475387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245475387 - 2⁴ = 245475371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245475397) 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, 16698 + ... + 27744.

It is an arithmetic number, because the mean of its divisors is an integer number (22758880).

Almost surely, 2^245475387 is an apocalyptic number.

245475387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

245475387 is a deficient number, since it is larger than the sum of its proper divisors (118666693).

245475387 is a wasteful number, since it uses less digits than its factorization.

245475387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11879 (or 11873 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 245475387 is about 15667.6541639136. The cubic root of 245475387 is about 626.1369274860.

It can be divided in two parts, 2454 and 75387, that added together give a square (77841 = 279²).

The spelling of 245475387 in words is "two hundred forty-five million, four hundred seventy-five thousand, three hundred eighty-seven".