2521136422 has 8 divisors (see below), whose sum is σ = 4321948176. Its totient is φ = 1080487032.

The previous prime is 2521136413. The next prime is 2521136441. The reversal of 2521136422 is 2246311252.

2521136422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2521136422² = 12712257716669924168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90040573 + ... + 90040600.

It is an arithmetic number, because the mean of its divisors is an integer number (540243522).

Almost surely, 2^2521136422 is an apocalyptic number.

2521136422 is a deficient number, since it is larger than the sum of its proper divisors (1800811754).

2521136422 is a wasteful number, since it uses less digits than its factorization.

2521136422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180081182.

The product of its digits is 5760, while the sum is 28.

The square root of 2521136422 is about 50210.9193502768. The cubic root of 2521136422 is about 1361.0229511784.

Adding to 2521136422 its reverse (2246311252), we get a palindrome (4767447674).

The spelling of 2521136422 in words is "two billion, five hundred twenty-one million, one hundred thirty-six thousand, four hundred twenty-two".