25055219 has 12 divisors (see below), whose sum is σ = 29334024. Its totient is φ = 21337344.

The previous prime is 25055213. The next prime is 25055231. The reversal of 25055219 is 91255052.

It is not a de Polignac number, because 25055219 - 2⁴ = 25055203 is a prime.

It is a super-4 number, since 4×25055219⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25055191 and 25055200.

It is not an unprimeable number, because it can be changed into a prime (25055213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6419 + ... + 9555.

It is an arithmetic number, because the mean of its divisors is an integer number (2444502).

Almost surely, 2^25055219 is an apocalyptic number.

25055219 is a deficient number, since it is larger than the sum of its proper divisors (4278805).

25055219 is a wasteful number, since it uses less digits than its factorization.

25055219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314 (or 3307 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 25055219 is about 5005.5188542248. The cubic root of 25055219 is about 292.6168972942.

The spelling of 25055219 in words is "twenty-five million, fifty-five thousand, two hundred nineteen".