25694442 has 16 divisors (see below), whose sum is σ = 57098880. Its totient is φ = 8564796.

The previous prime is 25694411. The next prime is 25694447. The reversal of 25694442 is 24449652.

It is a junction number, because it is equal to n+sod(n) for n = 25694397 and 25694406.

It is not an unprimeable number, because it can be changed into a prime (25694447) 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, 237858 + ... + 237965.

It is an arithmetic number, because the mean of its divisors is an integer number (3568680).

Almost surely, 2^25694442 is an apocalyptic number.

25694442 is an abundant number, since it is smaller than the sum of its proper divisors (31404438).

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

25694442 is a wasteful number, since it uses less digits than its factorization.

25694442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475834 (or 475828 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 25694442 is about 5068.9685341300. The cubic root of 25694442 is about 295.0844993981.

The spelling of 25694442 in words is "twenty-five million, six hundred ninety-four thousand, four hundred forty-two".