1025215252 has 12 divisors (see below), whose sum is σ = 1827978516. Its totient is φ = 502935680.

The previous prime is 1025215241. The next prime is 1025215259. The reversal of 1025215252 is 2525125201.

1025215252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 862244496 + 162970756 = 29364^2 + 12766^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025215259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2417749 + ... + 2418172.

It is an arithmetic number, because the mean of its divisors is an integer number (152331543).

Almost surely, 2^1025215252 is an apocalyptic number.

It is an amenable number.

1025215252 is a deficient number, since it is larger than the sum of its proper divisors (802763264).

1025215252 is a wasteful number, since it uses less digits than its factorization.

1025215252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835978 (or 4835976 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1025215252 is about 32018.9826821528. The cubic root of 1025215252 is about 1008.3354118635.

The spelling of 1025215252 in words is "one billion, twenty-five million, two hundred fifteen thousand, two hundred fifty-two".