25349016 has 192 divisors, whose sum is σ = 84268800. Its totient is φ = 6209280.

The previous prime is 25349003. The next prime is 25349039. The reversal of 25349016 is 61094352.

It is a super-2 number, since 2×25349016² = 1285145224336512, which contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 589491 + ... + 589533.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 2^25349016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25349016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42134400).

25349016 is an abundant number, since it is smaller than the sum of its proper divisors (58919784).

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

25349016 is a wasteful number, since it uses less digits than its factorization.

25349016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25349016 is about 5034.7806307723. The cubic root of 25349016 is about 293.7561956744.

The spelling of 25349016 in words is "twenty-five million, three hundred forty-nine thousand, sixteen".