2521534322 has 4 divisors (see below), whose sum is σ = 3782301486. Its totient is φ = 1260767160.

The previous prime is 2521534313. The next prime is 2521534357. The reversal of 2521534322 is 2234351252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2187339361 + 334194961 = 46769^2 + 18281^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630383579 + ... + 630383582.

Almost surely, 2^2521534322 is an apocalyptic number.

2521534322 is a deficient number, since it is larger than the sum of its proper divisors (1260767164).

2521534322 is a wasteful number, since it uses less digits than its factorization.

2521534322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260767163.

The product of its digits is 14400, while the sum is 29.

The square root of 2521534322 is about 50214.8814794977. The cubic root of 2521534322 is about 1361.0945488569.

Adding to 2521534322 its reverse (2234351252), we get a palindrome (4755885574).

The spelling of 2521534322 in words is "two billion, five hundred twenty-one million, five hundred thirty-four thousand, three hundred twenty-two".