2113554 has 16 divisors (see below), whose sum is σ = 4260960. Its totient is φ = 698880.

The previous prime is 2113523. The next prime is 2113567. The reversal of 2113554 is 4553112.

It is a super-2 number, since 2×2113554² = 8934221021832, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (266310).

2^2113554 is an apocalyptic number.

2113554 is an abundant number, since it is smaller than the sum of its proper divisors (2147406).

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

2113554 is a wasteful number, since it uses less digits than its factorization.

2113554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825.

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

The square root of 2113554 is about 1453.8067271821. The cubic root of 2113554 is about 128.3328333408.

Adding to 2113554 its reverse (4553112), we get a palindrome (6666666).

The spelling of 2113554 in words is "two million, one hundred thirteen thousand, five hundred fifty-four".