25063215 has 16 divisors (see below), whose sum is σ = 41845248. Its totient is φ = 12785696.

The previous prime is 25063189. The next prime is 25063243. The reversal of 25063215 is 51236052.

It is a cyclic number.

It is not a de Polignac number, because 25063215 - 2⁵ = 25063183 is a prime.

It is a super-2 number, since 2×25063215² = 1256329492272450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35979 + ... + 36668.

It is an arithmetic number, because the mean of its divisors is an integer number (2615328).

Almost surely, 2^25063215 is an apocalyptic number.

25063215 is a deficient number, since it is larger than the sum of its proper divisors (16782033).

25063215 is a wasteful number, since it uses less digits than its factorization.

25063215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72678.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25063215 is about 5006.3175089081. The cubic root of 25063215 is about 292.6480220917.

Adding to 25063215 its reverse (51236052), we get a palindrome (76299267).

The spelling of 25063215 in words is "twenty-five million, sixty-three thousand, two hundred fifteen".