2525221430 has 16 divisors (see below), whose sum is σ = 4548342240. Its totient is φ = 1009434432.

The previous prime is 2525221427. The next prime is 2525221511. The reversal of 2525221430 is 341225252.

It is a self number, because there is not a number n which added to its sum of digits gives 2525221430.

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, 65399 + ... + 96578.

It is an arithmetic number, because the mean of its divisors is an integer number (284271390).

Almost surely, 2^2525221430 is an apocalyptic number.

2525221430 is a deficient number, since it is larger than the sum of its proper divisors (2023120810).

2525221430 is a wasteful number, since it uses less digits than its factorization.

2525221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163543.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2525221430 is about 50251.5813681520. The cubic root of 2525221430 is about 1361.7576449254.

Adding to 2525221430 its reverse (341225252), we get a palindrome (2866446682).

The spelling of 2525221430 in words is "two billion, five hundred twenty-five million, two hundred twenty-one thousand, four hundred thirty".