25416330 has 32 divisors (see below), whose sum is σ = 61133184. Its totient is φ = 6762816.

The previous prime is 25416317. The next prime is 25416341. The reversal of 25416330 is 3361452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25416330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23379 + ... + 24441.

It is an arithmetic number, because the mean of its divisors is an integer number (1910412).

Almost surely, 2^25416330 is an apocalyptic number.

25416330 is an abundant number, since it is smaller than the sum of its proper divisors (35716854).

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

25416330 is a wasteful number, since it uses less digits than its factorization.

25416330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25416330 is about 5041.4610977374. The cubic root of 25416330 is about 294.0159878390.

Adding to 25416330 its reverse (3361452), we get a palindrome (28777782).

The spelling of 25416330 in words is "twenty-five million, four hundred sixteen thousand, three hundred thirty".