25980046 has 24 divisors (see below), whose sum is σ = 42866496. Its totient is φ = 11756160.

The previous prime is 25980037. The next prime is 25980067. The reversal of 25980046 is 64008952.

25980046 = T₄₉₅ + T₄₉₆ + ... + T₆₅₁.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 25979993 and 25980020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165400 + ... + 165556.

It is an arithmetic number, because the mean of its divisors is an integer number (1786104).

Almost surely, 2^25980046 is an apocalyptic number.

25980046 is a deficient number, since it is larger than the sum of its proper divisors (16886450).

25980046 is a wasteful number, since it uses less digits than its factorization.

25980046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 25980046 is about 5097.0624873548. The cubic root of 25980046 is about 296.1738007183.

Adding to 25980046 its reverse (64008952), we get a palindrome (89988998).

The spelling of 25980046 in words is "twenty-five million, nine hundred eighty thousand, forty-six".