2521136030 has 128 divisors (see below), whose sum is σ = 5779814400. Its totient is φ = 771876864.

The previous prime is 2521136027. The next prime is 2521136069. The reversal of 2521136030 is 306311252.

It is a super-2 number, since 2×2521136030² = 12712253763528321800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2521135987 and 2521136005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2232506 + ... + 2233634.

It is an arithmetic number, because the mean of its divisors is an integer number (45154800).

Almost surely, 2^2521136030 is an apocalyptic number.

2521136030 is an abundant number, since it is smaller than the sum of its proper divisors (3258678370).

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

2521136030 is a wasteful number, since it uses less digits than its factorization.

2521136030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2521136030 is about 50210.9154467433. The cubic root of 2521136030 is about 1361.0228806387.

Adding to 2521136030 its reverse (306311252), we get a palindrome (2827447282).

The spelling of 2521136030 in words is "two billion, five hundred twenty-one million, one hundred thirty-six thousand, thirty".