245131125 has 64 divisors (see below), whose sum is σ = 431488512. Its totient is φ = 123340800.

The previous prime is 245131111. The next prime is 245131127. The reversal of 245131125 is 521131542.

It is a happy number.

It is not a de Polignac number, because 245131125 - 2¹¹ = 245129077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245131095 and 245131104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245131127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 836479 + ... + 836771.

It is an arithmetic number, because the mean of its divisors is an integer number (6742008).

Almost surely, 2^245131125 is an apocalyptic number.

245131125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245131125 is a deficient number, since it is larger than the sum of its proper divisors (186357387).

245131125 is a wasteful number, since it uses less digits than its factorization.

245131125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 421 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 245131125 is about 15656.6639166842. The cubic root of 245131125 is about 625.8440861831.

Adding to 245131125 its reverse (521131542), we get a palindrome (766262667).

The spelling of 245131125 in words is "two hundred forty-five million, one hundred thirty-one thousand, one hundred twenty-five".