1025225236 has 18 divisors (see below), whose sum is σ = 2087066058. Its totient is φ = 439382160.

The previous prime is 1025225183. The next prime is 1025225261. The reversal of 1025225236 is 6325225201.

1025225236 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 only one way, i.e., 1009968400 + 15256836 = 31780^2 + 3906^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2615175 + ... + 2615566.

Almost surely, 2^1025225236 is an apocalyptic number.

It is an amenable number.

1025225236 is an abundant number, since it is smaller than the sum of its proper divisors (1061840822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025225236 is a wasteful number, since it uses less digits than its factorization.

1025225236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230759 (or 5230750 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1025225236 is about 32019.1385892875. The cubic root of 1025225236 is about 1008.3386850584.

The spelling of 1025225236 in words is "one billion, twenty-five million, two hundred twenty-five thousand, two hundred thirty-six".