25219061 has 8 divisors (see below), whose sum is σ = 30338880. Its totient is φ = 20478528.

The previous prime is 25219057. The next prime is 25219069. The reversal of 25219061 is 16091252.

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

It is not a de Polignac number, because 25219061 - 2² = 25219057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25219061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25219069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94676 + ... + 94941.

It is an arithmetic number, because the mean of its divisors is an integer number (3792360).

Almost surely, 2^25219061 is an apocalyptic number.

It is an amenable number.

25219061 is a deficient number, since it is larger than the sum of its proper divisors (5119819).

25219061 is a wasteful number, since it uses less digits than its factorization.

25219061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189643.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 25219061 is about 5021.8583213787. The cubic root of 25219061 is about 293.2533423703.

The spelling of 25219061 in words is "twenty-five million, two hundred nineteen thousand, sixty-one".