11254540 has 24 divisors (see below), whose sum is σ = 25783632. Its totient is φ = 4092480.

The previous prime is 11254513. The next prime is 11254543. The reversal of 11254540 is 4545211.

It is a super-2 number, since 2×11254540² = 253329341223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11254543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25359 + ... + 25798.

It is an arithmetic number, because the mean of its divisors is an integer number (1074318).

Almost surely, 2^11254540 is an apocalyptic number.

11254540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11254540 is an abundant number, since it is smaller than the sum of its proper divisors (14529092).

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

11254540 is a wasteful number, since it uses less digits than its factorization.

11254540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51177 (or 51175 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 11254540 is about 3354.7786812247. The cubic root of 11254540 is about 224.1003748705.

Adding to 11254540 its reverse (4545211), we get a palindrome (15799751).

It can be divided in two parts, 1125 and 4540, that added together give a palindrome (5665).

The spelling of 11254540 in words is "eleven million, two hundred fifty-four thousand, five hundred forty".