245124225 has 120 divisors (see below), whose sum is σ = 500533440. Its totient is φ = 118039680.

The previous prime is 245124197. The next prime is 245124251. The reversal of 245124225 is 522421542.

It is not a de Polignac number, because 245124225 - 2⁵ = 245124193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 884787 + ... + 885063.

It is an arithmetic number, because the mean of its divisors is an integer number (4171112).

Almost surely, 2^245124225 is an apocalyptic number.

245124225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245124225 is an abundant number, since it is smaller than the sum of its proper divisors (255409215).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245124225 is a wasteful number, since it uses less digits than its factorization.

245124225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 327 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 245124225 is about 15656.4435616777. The cubic root of 245124225 is about 625.8382139998.

Adding to 245124225 its reverse (522421542), we get a palindrome (767545767).

The spelling of 245124225 in words is "two hundred forty-five million, one hundred twenty-four thousand, two hundred twenty-five".