245216025 has 48 divisors (see below), whose sum is σ = 466041600. Its totient is φ = 126262080.

The previous prime is 245216011. The next prime is 245216051. The reversal of 245216025 is 520612542.

245216025 is a `hidden beast` number, since 2 + 4 + 52 + 1 + 602 + 5 = 666.

It is not a de Polignac number, because 245216025 - 2⁶ = 245215961 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 245216025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13312 + ... + 25838.

It is an arithmetic number, because the mean of its divisors is an integer number (9709200).

Almost surely, 2^245216025 is an apocalyptic number.

245216025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245216025 is a deficient number, since it is larger than the sum of its proper divisors (220825575).

245216025 is a wasteful number, since it uses less digits than its factorization.

245216025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575 (or 12564 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 245216025 is about 15659.3749875274. The cubic root of 245216025 is about 625.9163305514.

Adding to 245216025 its reverse (520612542), we get a palindrome (765828567).

The spelling of 245216025 in words is "two hundred forty-five million, two hundred sixteen thousand, twenty-five".