2521225535 has 8 divisors (see below), whose sum is σ = 3026612736. Its totient is φ = 2016219040.

The previous prime is 2521225489. The next prime is 2521225543. The reversal of 2521225535 is 5355221252.

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

It is not a de Polignac number, because 2521225535 - 2⁸ = 2521225279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80396 + ... + 107265.

It is an arithmetic number, because the mean of its divisors is an integer number (378326592).

Almost surely, 2^2521225535 is an apocalyptic number.

2521225535 is a deficient number, since it is larger than the sum of its proper divisors (505387201).

2521225535 is a wasteful number, since it uses less digits than its factorization.

2521225535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190353.

The product of its digits is 30000, while the sum is 32.

The square root of 2521225535 is about 50211.8067290951. The cubic root of 2521225535 is about 1361.0389867260.

Adding to 2521225535 its reverse (5355221252), we get a palindrome (7876446787).

The spelling of 2521225535 in words is "two billion, five hundred twenty-one million, two hundred twenty-five thousand, five hundred thirty-five".