2531052420 has 48 divisors (see below), whose sum is σ = 7632098880. Its totient is φ = 623028096.

The previous prime is 2531052409. The next prime is 2531052431. The reversal of 2531052420 is 242501352.

2531052420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2531052409) and next prime (2531052431).

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, 1621690 + ... + 1623249.

It is an arithmetic number, because the mean of its divisors is an integer number (159002060).

Almost surely, 2^2531052420 is an apocalyptic number.

2531052420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531052420 is an abundant number, since it is smaller than the sum of its proper divisors (5101046460).

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

2531052420 is a wasteful number, since it uses less digits than its factorization.

2531052420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244964 (or 3244962 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2531052420 is about 50309.5658896000. The cubic root of 2531052420 is about 1362.8049842756.

Adding to 2531052420 its reverse (242501352), we get a palindrome (2773553772).

The spelling of 2531052420 in words is "two billion, five hundred thirty-one million, fifty-two thousand, four hundred twenty".