25030215 has 72 divisors (see below), whose sum is σ = 51960480. Its totient is φ = 11337408.

The previous prime is 25030207. The next prime is 25030223. The reversal of 25030215 is 51203052.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25030207) and next prime (25030223).

It is not a de Polignac number, because 25030215 - 2³ = 25030207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 229581 + ... + 229689.

Almost surely, 2^25030215 is an apocalyptic number.

25030215 is an abundant number, since it is smaller than the sum of its proper divisors (26930265).

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

25030215 is an frugal number, since it uses more digits than its factorization.

25030215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 25030215 is about 5003.0205876051. The cubic root of 25030215 is about 292.5195253238.

Adding to 25030215 its reverse (51203052), we get a palindrome (76233267).

The spelling of 25030215 in words is "twenty-five million, thirty thousand, two hundred fifteen".