1032640653 has 16 divisors (see below), whose sum is σ = 1511597376. Its totient is φ = 621853440.

The previous prime is 1032640627. The next prime is 1032640663. The reversal of 1032640653 is 3560462301.

It is not a de Polignac number, because 1032640653 - 2⁵ = 1032640621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1032640653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032640663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94476 + ... + 104837.

It is an arithmetic number, because the mean of its divisors is an integer number (94474836).

Almost surely, 2^1032640653 is an apocalyptic number.

It is an amenable number.

1032640653 is a deficient number, since it is larger than the sum of its proper divisors (478956723).

1032640653 is a wasteful number, since it uses less digits than its factorization.

1032640653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199484.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1032640653 is about 32134.7265897813. The cubic root of 1032640653 is about 1010.7639395599.

The spelling of 1032640653 in words is "one billion, thirty-two million, six hundred forty thousand, six hundred fifty-three".