2521204146 has 96 divisors (see below), whose sum is σ = 5863104000. Its totient is φ = 781240320.

The previous prime is 2521204111. The next prime is 2521204151. The reversal of 2521204146 is 6414021252.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5614930 + ... + 5615378.

It is an arithmetic number, because the mean of its divisors is an integer number (61074000).

Almost surely, 2^2521204146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2521204146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2931552000).

2521204146 is an abundant number, since it is smaller than the sum of its proper divisors (3341899854).

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

2521204146 is a wasteful number, since it uses less digits than its factorization.

2521204146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864 (or 861 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2521204146 is about 50211.5937408882. The cubic root of 2521204146 is about 1361.0351378907.

Adding to 2521204146 its reverse (6414021252), we get a palindrome (8935225398).

The spelling of 2521204146 in words is "two billion, five hundred twenty-one million, two hundred four thousand, one hundred forty-six".