2153541 has 8 divisors (see below), whose sum is σ = 3092320. Its totient is φ = 1325232.

The previous prime is 2153531. The next prime is 2153551. The reversal of 2153541 is 1453512.

It is an interprime number because it is at equal distance from previous prime (2153531) and next prime (2153551).

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

It is not a de Polignac number, because 2153541 - 2¹⁰ = 2152517 is a prime.

It is a Duffinian number.

2153541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153531) 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, 27571 + ... + 27648.

It is an arithmetic number, because the mean of its divisors is an integer number (386540).

2^2153541 is an apocalyptic number.

It is an amenable number.

2153541 is a deficient number, since it is larger than the sum of its proper divisors (938779).

2153541 is a wasteful number, since it uses less digits than its factorization.

2153541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55235.

The product of its digits is 600, while the sum is 21.

The square root of 2153541 is about 1467.4948040794. The cubic root of 2153541 is about 129.1371055950.

The spelling of 2153541 in words is "two million, one hundred fifty-three thousand, five hundred forty-one".