2153100 has 36 divisors (see below), whose sum is σ = 6230504. Its totient is φ = 574080.

The previous prime is 2153089. The next prime is 2153111. The reversal of 2153100 is 13512.

It is an interprime number because it is at equal distance from previous prime (2153089) and next prime (2153111).

It is a super-2 number, since 2×2153100² = 9271679220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3289 + ... + 3888.

2^2153100 is an apocalyptic number.

2153100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2153100 is an abundant number, since it is smaller than the sum of its proper divisors (4077404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2153100 is a wasteful number, since it uses less digits than its factorization.

2153100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 2153100 is about 1467.3445403176. The cubic root of 2153100 is about 129.1282901369.

Adding to 2153100 its reverse (13512), we get a palindrome (2166612).

The spelling of 2153100 in words is "two million, one hundred fifty-three thousand, one hundred".