1084253540 has 24 divisors (see below), whose sum is σ = 2410870392. Its totient is φ = 408189440.

The previous prime is 1084253519. The next prime is 1084253543. The reversal of 1084253540 is 453524801.

It can be written as a sum of positive squares in 4 ways, for example, as 464143936 + 620109604 = 21544^2 + 24902^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1084253497 and 1084253506.

It is not an unprimeable number, because it can be changed into a prime (1084253543) 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, 1594151 + ... + 1594830.

It is an arithmetic number, because the mean of its divisors is an integer number (100452933).

Almost surely, 2^1084253540 is an apocalyptic number.

1084253540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1084253540 is an abundant number, since it is smaller than the sum of its proper divisors (1326616852).

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

1084253540 is a wasteful number, since it uses less digits than its factorization.

1084253540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189007 (or 3189005 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1084253540 is about 32928.0054057333. The cubic root of 1084253540 is about 1027.3307389666.

The spelling of 1084253540 in words is "one billion, eighty-four million, two hundred fifty-three thousand, five hundred forty".