245131875 has 30 divisors (see below), whose sum is σ = 442467740. Its totient is φ = 130734000.

The previous prime is 245131847. The next prime is 245131879. The reversal of 245131875 is 578131542.

It is not a de Polignac number, because 245131875 - 2⁶ = 245131811 is a prime.

It is a super-2 number, since 2×245131875² = 120179272282031250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245131879) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 16165 + ... + 27414.

Almost surely, 2^245131875 is an apocalyptic number.

245131875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

245131875 is a deficient number, since it is larger than the sum of its proper divisors (197335865).

245131875 is an equidigital number, since it uses as much as digits as its factorization.

245131875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43605 (or 43587 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 245131875 is about 15656.6878681284. The cubic root of 245131875 is about 625.8447244573.

The spelling of 245131875 in words is "two hundred forty-five million, one hundred thirty-one thousand, eight hundred seventy-five".