2251255252 has 6 divisors (see below), whose sum is σ = 3939696698. Its totient is φ = 1125627624.

The previous prime is 2251255229. The next prime is 2251255319. The reversal of 2251255252 is 2525521522.

It can be written as a sum of positive squares in only one way, i.e., 1939873936 + 311381316 = 44044^2 + 17646^2 .

It is a congruent number.

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, 281406903 + ... + 281406910.

Almost surely, 2^2251255252 is an apocalyptic number.

It is an amenable number.

2251255252 is a deficient number, since it is larger than the sum of its proper divisors (1688441446).

2251255252 is a wasteful number, since it uses less digits than its factorization.

2251255252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562813817 (or 562813815 counting only the distinct ones).

The product of its digits is 20000, while the sum is 31.

The square root of 2251255252 is about 47447.3945754664. The cubic root of 2251255252 is about 1310.6143326085.

Adding to 2251255252 its reverse (2525521522), we get a palindrome (4776776774).

The spelling of 2251255252 in words is "two billion, two hundred fifty-one million, two hundred fifty-five thousand, two hundred fifty-two".