2521254324 has 72 divisors (see below), whose sum is σ = 6228405120. Its totient is φ = 793680768.

The previous prime is 2521254313. The next prime is 2521254349. The reversal of 2521254324 is 4234521252.

It is a junction number, because it is equal to n+sod(n) for n = 2521254291 and 2521254300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1771077 + ... + 1772499.

Almost surely, 2^2521254324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521254324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3114202560).

2521254324 is an abundant number, since it is smaller than the sum of its proper divisors (3707150796).

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

2521254324 is a wasteful number, since it uses less digits than its factorization.

2521254324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877 (or 1856 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 2521254324 is about 50212.0934038803. The cubic root of 2521254324 is about 1361.0441671170.

Adding to 2521254324 its reverse (4234521252), we get a palindrome (6755775576).

The spelling of 2521254324 in words is "two billion, five hundred twenty-one million, two hundred fifty-four thousand, three hundred twenty-four".