2523040 has 48 divisors (see below), whose sum is σ = 6424488. Its totient is φ = 930816.

The previous prime is 2523013. The next prime is 2523041. The reversal of 2523040 is 403252.

It can be written as a sum of positive squares in 4 ways, for example, as 853776 + 1669264 = 924^2 + 1292^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2523041) 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, 1474 + ... + 2686.

2^2523040 is an apocalyptic number.

2523040 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 2523040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3212244).

2523040 is an abundant number, since it is smaller than the sum of its proper divisors (3901448).

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

2523040 is a wasteful number, since it uses less digits than its factorization.

2523040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2523040 is about 1588.4080080382. The cubic root of 2523040 is about 136.1365410705.

Adding to 2523040 its reverse (403252), we get a palindrome (2926292).

The spelling of 2523040 in words is "two million, five hundred twenty-three thousand, forty".