245510225 has 12 divisors (see below), whose sum is σ = 304990896. Its totient is φ = 196048080.

The previous prime is 245510219. The next prime is 245510231. The reversal of 245510225 is 522015542.

It is an interprime number because it is at equal distance from previous prime (245510219) and next prime (245510231).

It is not a de Polignac number, because 245510225 - 2²⁶ = 178401361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245510194 and 245510203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5354 + ... + 22796.

It is an arithmetic number, because the mean of its divisors is an integer number (25415908).

Almost surely, 2^245510225 is an apocalyptic number.

245510225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245510225 is a deficient number, since it is larger than the sum of its proper divisors (59480671).

245510225 is a wasteful number, since it uses less digits than its factorization.

245510225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016 (or 18011 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 245510225 is about 15668.7659054566. The cubic root of 245510225 is about 626.1665466490.

Adding to 245510225 its reverse (522015542), we get a palindrome (767525767).

The spelling of 245510225 in words is "two hundred forty-five million, five hundred ten thousand, two hundred twenty-five".