2499520 has 56 divisors (see below), whose sum is σ = 6089904. Its totient is φ = 976896.

The previous prime is 2499517. The next prime is 2499521. The reversal of 2499520 is 259942.

2499520 is nontrivially palindromic in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499521) 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, 23307 + ... + 23413.

2^2499520 is an apocalyptic number.

2499520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044952).

2499520 is an abundant number, since it is smaller than the sum of its proper divisors (3590384).

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

2499520 is a wasteful number, since it uses less digits than its factorization.

2499520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 2499520 is about 1580.9870334699. The cubic root of 2499520 is about 135.7121941374.

The spelling of 2499520 in words is "two million, four hundred ninety-nine thousand, five hundred twenty".