2153101 has 4 divisors (see below), whose sum is σ = 2279772. Its totient is φ = 2026432.

The previous prime is 2153089. The next prime is 2153111. The reversal of 2153101 is 1013512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 940900 + 1212201 = 970^2 + 1101^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153101 - 2⁵ = 2153069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63310 + ... + 63343.

It is an arithmetic number, because the mean of its divisors is an integer number (569943).

2^2153101 is an apocalyptic number.

It is an amenable number.

2153101 is a deficient number, since it is larger than the sum of its proper divisors (126671).

2153101 is a wasteful number, since it uses less digits than its factorization.

2153101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126670.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 2153101 is about 1467.3448810692. The cubic root of 2153101 is about 129.1283101279.

Adding to 2153101 its reverse (1013512), we get a palindrome (3166613).

The spelling of 2153101 in words is "two million, one hundred fifty-three thousand, one hundred one".