870241653 has 12 divisors (see below), whose sum is σ = 1257593740. Its totient is φ = 579894336.

The previous prime is 870241597. The next prime is 870241693. The reversal of 870241653 is 356142078.

It can be written as a sum of positive squares in 2 ways, for example, as 625100004 + 245141649 = 25002^2 + 15657^2 .

It is not a de Polignac number, because 870241653 - 2²⁵ = 836687221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870241693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448 + ... + 41721.

Almost surely, 2^870241653 is an apocalyptic number.

It is an amenable number.

870241653 is a deficient number, since it is larger than the sum of its proper divisors (387352087).

870241653 is a wasteful number, since it uses less digits than its factorization.

870241653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44468 (or 44465 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 870241653 is about 29499.8585250845. The cubic root of 870241653 is about 954.7286503726.

The spelling of 870241653 in words is "eight hundred seventy million, two hundred forty-one thousand, six hundred fifty-three".