2545224 has 64 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 744000.

The previous prime is 2545211. The next prime is 2545237. The reversal of 2545224 is 4225452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2545211) and next prime (2545237).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2545194 and 2545203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (112320).

2^2545224 is an apocalyptic number.

2545224 is a gapful number since it is divisible by the number (24) 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 2545224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3594240).

2545224 is an abundant number, since it is smaller than the sum of its proper divisors (4643256).

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

2545224 is a wasteful number, since it uses less digits than its factorization.

2545224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 358 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 2545224 is about 1595.3758177934. The cubic root of 2545224 is about 136.5343739324.

The spelling of 2545224 in words is "two million, five hundred forty-five thousand, two hundred twenty-four".