2011953 has 8 divisors (see below), whose sum is σ = 2719648. Its totient is φ = 1322784.

The previous prime is 2011951. The next prime is 2011957. The reversal of 2011953 is 3591102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011953 - 2¹ = 2011951 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2011951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4375 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (339956).

2^2011953 is an apocalyptic number.

It is an amenable number.

2011953 is a deficient number, since it is larger than the sum of its proper divisors (707695).

2011953 is an equidigital number, since it uses as much as digits as its factorization.

2011953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 2011953 is about 1418.4332906415. The cubic root of 2011953 is about 126.2426038866.

The spelling of 2011953 in words is "two million, eleven thousand, nine hundred fifty-three".