2520324 has 18 divisors (see below), whose sum is σ = 6370910. Its totient is φ = 840096.

The previous prime is 2520319. The next prime is 2520347. The reversal of 2520324 is 4230252.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 777924 = 1320^2 + 882^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

2520324 is a modest number, since divided by 324 gives 252 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2520297 and 2520306.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34969 + ... + 35040.

2^2520324 is an apocalyptic number.

It is an amenable number.

2520324 is an abundant number, since it is smaller than the sum of its proper divisors (3850586).

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

2520324 is a wasteful number, since it uses less digits than its factorization.

2520324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70019 (or 70014 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2520324 is about 1587.5528337665. The cubic root of 2520324 is about 136.0876741481.

Adding to 2520324 its reverse (4230252), we get a palindrome (6750576).

The spelling of 2520324 in words is "two million, five hundred twenty thousand, three hundred twenty-four".