25052215 has 8 divisors (see below), whose sum is σ = 30129840. Its totient is φ = 19996992.

The previous prime is 25052197. The next prime is 25052227. The reversal of 25052215 is 51225052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25052215 - 2⁹ = 25051703 is a prime.

It is a super-2 number, since 2×25052215² = 1255226952812450, 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 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 7699.

It is an arithmetic number, because the mean of its divisors is an integer number (3766230).

Almost surely, 2^25052215 is an apocalyptic number.

25052215 is a deficient number, since it is larger than the sum of its proper divisors (5077625).

25052215 is a wasteful number, since it uses less digits than its factorization.

25052215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11201.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 25052215 is about 5005.2187764372. The cubic root of 25052215 is about 292.6052023749.

Adding to 25052215 its reverse (51225052), we get a palindrome (76277267).

The spelling of 25052215 in words is "twenty-five million, fifty-two thousand, two hundred fifteen".