1059953681 has 4 divisors (see below), whose sum is σ = 1060486452. Its totient is φ = 1059420912.

The previous prime is 1059953669. The next prime is 1059953701. The reversal of 1059953681 is 1863599501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1863599501 = 1933 ⋅964097.

It can be written as a sum of positive squares in 2 ways, for example, as 189998656 + 869955025 = 13784^2 + 29495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1059953681 - 2⁶ = 1059953617 is a prime.

It is a super-2 number, since 2×1059953681² = 2247003611730899522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1059953611) 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, 263390 + ... + 267383.

It is an arithmetic number, because the mean of its divisors is an integer number (265121613).

Almost surely, 2^1059953681 is an apocalyptic number.

It is an amenable number.

1059953681 is a deficient number, since it is larger than the sum of its proper divisors (532771).

1059953681 is an equidigital number, since it uses as much as digits as its factorization.

1059953681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532770.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 1059953681 is about 32556.9298460405. The cubic root of 1059953681 is about 1019.5979708077.

The spelling of 1059953681 in words is "one billion, fifty-nine million, nine hundred fifty-three thousand, six hundred eighty-one".