1025252636 has 12 divisors (see below), whose sum is σ = 1807889160. Its totient is φ = 508712880.

The previous prime is 1025252611. The next prime is 1025252639. The reversal of 1025252636 is 6362525201.

1025252636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1025252636² = 2102285935249896992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025252639) 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, 977771 + ... + 978818.

It is an arithmetic number, because the mean of its divisors is an integer number (150657430).

Almost surely, 2^1025252636 is an apocalyptic number.

It is an amenable number.

1025252636 is a deficient number, since it is larger than the sum of its proper divisors (782636524).

1025252636 is a wasteful number, since it uses less digits than its factorization.

1025252636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956724 (or 1956722 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1025252636 is about 32019.5664555284. The cubic root of 1025252636 is about 1008.3476678760.

Adding to 1025252636 its reverse (6362525201), we get a palindrome (7387777837).

The spelling of 1025252636 in words is "one billion, twenty-five million, two hundred fifty-two thousand, six hundred thirty-six".