807142653 has 6 divisors (see below), whose sum is σ = 1165872734. Its totient is φ = 538095096.

The previous prime is 807142649. The next prime is 807142663. The reversal of 807142653 is 356241708.

It can be written as a sum of positive squares in only one way, i.e., 703469529 + 103673124 = 26523^2 + 10182^2 .

It is not a de Polignac number, because 807142653 - 2² = 807142649 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 (807142613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44841250 + ... + 44841267.

Almost surely, 2^807142653 is an apocalyptic number.

It is an amenable number.

807142653 is a deficient number, since it is larger than the sum of its proper divisors (358730081).

807142653 is a wasteful number, since it uses less digits than its factorization.

807142653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89682523 (or 89682520 counting only the distinct ones).

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

The square root of 807142653 is about 28410.2561234495. The cubic root of 807142653 is about 931.0723565000.

The spelling of 807142653 in words is "eight hundred seven million, one hundred forty-two thousand, six hundred fifty-three".