1025225535 has 16 divisors (see below), whose sum is σ = 1641227904. Its totient is φ = 546497952.

The previous prime is 1025225471. The next prime is 1025225549. The reversal of 1025225535 is 5355225201.

It is not a de Polignac number, because 1025225535 - 2⁶ = 1025225471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12984 + ... + 47106.

It is an arithmetic number, because the mean of its divisors is an integer number (102576744).

Almost surely, 2^1025225535 is an apocalyptic number.

1025225535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025225535 is a deficient number, since it is larger than the sum of its proper divisors (616002369).

1025225535 is a wasteful number, since it uses less digits than its factorization.

1025225535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36134.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1025225535 is about 32019.1432583697. The cubic root of 1025225535 is about 1008.3387830834.

The spelling of 1025225535 in words is "one billion, twenty-five million, two hundred twenty-five thousand, five hundred thirty-five".