2011495 has 4 divisors (see below), whose sum is σ = 2413800. Its totient is φ = 1609192.

The previous prime is 2011483. The next prime is 2011507. The reversal of 2011495 is 5941102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5941102 = 2 ⋅2970551.

It is an interprime number because it is at equal distance from previous prime (2011483) and next prime (2011507).

It is a cyclic number.

It is not a de Polignac number, because 2011495 - 2¹⁵ = 1978727 is a prime.

It is a super-2 number, since 2×2011495² = 8092224270050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 201145 + ... + 201154.

It is an arithmetic number, because the mean of its divisors is an integer number (603450).

2^2011495 is an apocalyptic number.

2011495 is a deficient number, since it is larger than the sum of its proper divisors (402305).

2011495 is an equidigital number, since it uses as much as digits as its factorization.

2011495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402304.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 2011495 is about 1418.2718357212. The cubic root of 2011495 is about 126.2330238913.

Adding to 2011495 its reverse (5941102), we get a palindrome (7952597).

The spelling of 2011495 in words is "two million, eleven thousand, four hundred ninety-five".