2525418 has 80 divisors (see below), whose sum is σ = 6899904. Its totient is φ = 673920.

The previous prime is 2525417. The next prime is 2525429. The reversal of 2525418 is 8145252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

Its product of digits (3200) is a multiple of the sum of its prime divisors (160).

It is a junction number, because it is equal to n+sod(n) for n = 2525391 and 2525400.

It is not an unprimeable number, because it can be changed into a prime (2525417) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19213 + ... + 19343.

2^2525418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3449952).

2525418 is an abundant number, since it is smaller than the sum of its proper divisors (4374486).

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

2525418 is a wasteful number, since it uses less digits than its factorization.

2525418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 160 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2525418 is about 1589.1563799702. The cubic root of 2525418 is about 136.1792978296.

The spelling of 2525418 in words is "two million, five hundred twenty-five thousand, four hundred eighteen".