11453961 has 4 divisors (see below), whose sum is σ = 15271952. Its totient is φ = 7635972.

The previous prime is 11453951. The next prime is 11453963. The reversal of 11453961 is 16935411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16935411 = 3 ⋅5645137.

It is not a de Polignac number, because 11453961 - 2⁵ = 11453929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11453963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908991 + ... + 1908996.

It is an arithmetic number, because the mean of its divisors is an integer number (3817988).

Almost surely, 2^11453961 is an apocalyptic number.

It is an amenable number.

11453961 is a deficient number, since it is larger than the sum of its proper divisors (3817991).

11453961 is an equidigital number, since it uses as much as digits as its factorization.

11453961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817990.

The product of its digits is 3240, while the sum is 30.

The square root of 11453961 is about 3384.3701038746. The cubic root of 11453961 is about 225.4162565987.

The spelling of 11453961 in words is "eleven million, four hundred fifty-three thousand, nine hundred sixty-one".