7143531601 has 4 divisors (see below), whose sum is σ = 7150342500. Its totient is φ = 7136720704.

The previous prime is 7143531589. The next prime is 7143531607. The reversal of 7143531601 is 1061353417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1061353417 = 31 ⋅34237207.

It can be written as a sum of positive squares in 2 ways, for example, as 4875390976 + 2268140625 = 69824^2 + 47625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7143531601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7143531607) 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, 3403876 + ... + 3405973.

It is an arithmetic number, because the mean of its divisors is an integer number (1787585625).

Almost surely, 2^7143531601 is an apocalyptic number.

It is an amenable number.

7143531601 is a deficient number, since it is larger than the sum of its proper divisors (6810899).

7143531601 is a wasteful number, since it uses less digits than its factorization.

7143531601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810898.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7143531601 is about 84519.4155268480. The cubic root of 7143531601 is about 1925.9173994367.

The spelling of 7143531601 in words is "seven billion, one hundred forty-three million, five hundred thirty-one thousand, six hundred one".