2521225502 has 8 divisors (see below), whose sum is σ = 3782795016. Its totient is φ = 1260293832.

The previous prime is 2521225489. The next prime is 2521225543. The reversal of 2521225502 is 2055221252.

2521225502 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 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, 149453 + ... + 165464.

It is an arithmetic number, because the mean of its divisors is an integer number (472849377).

Almost surely, 2^2521225502 is an apocalyptic number.

2521225502 is a deficient number, since it is larger than the sum of its proper divisors (1261569514).

2521225502 is a wasteful number, since it uses less digits than its factorization.

2521225502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318922.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2521225502 is about 50211.8064004871. The cubic root of 2521225502 is about 1361.0389807879.

Adding to 2521225502 its reverse (2055221252), we get a palindrome (4576446754).

The spelling of 2521225502 in words is "two billion, five hundred twenty-one million, two hundred twenty-five thousand, five hundred two".