25276416 has 156 divisors (see below), whose sum is σ = 78437016. Its totient is φ = 7208960.

The previous prime is 25276409. The next prime is 25276417. The reversal of 25276416 is 61467252.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (25276417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1486840 + ... + 1486856.

Almost surely, 2^25276416 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 25276416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39218508).

25276416 is an abundant number, since it is smaller than the sum of its proper divisors (53160600).

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

25276416 is a wasteful number, since it uses less digits than its factorization.

25276416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 33 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 25276416 is about 5027.5656136942. The cubic root of 25276416 is about 293.4754866550.

The spelling of 25276416 in words is "twenty-five million, two hundred seventy-six thousand, four hundred sixteen".