1953081 has 12 divisors (see below), whose sum is σ = 3038308. Its totient is φ = 1201824.

The previous prime is 1953059. The next prime is 1953101. The reversal of 1953081 is 1803591.

It can be written as a sum of positive squares in 2 ways, for example, as 210681 + 1742400 = 459^2 + 1320^2 .

It is not a de Polignac number, because 1953081 - 2¹⁹ = 1428793 is a prime.

It is a super-2 number, since 2×1953081² = 7629050785122, which contains 22 as substring.

It is a nialpdrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (1953001) 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 11 ways as a sum of consecutive naturals, for example, 8230 + ... + 8463.

2^1953081 is an apocalyptic number.

It is an amenable number.

1953081 is a deficient number, since it is larger than the sum of its proper divisors (1085227).

1953081 is a wasteful number, since it uses less digits than its factorization.

1953081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16712 (or 16709 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1953081 is about 1397.5267439301. The cubic root of 1953081 is about 124.9990613263. Note that the first 3 decimals are identical.

The spelling of 1953081 in words is "one million, nine hundred fifty-three thousand, eighty-one".