1105253531 has 4 divisors (see below), whose sum is σ = 1117672200. Its totient is φ = 1092834864.

The previous prime is 1105253519. The next prime is 1105253533. The reversal of 1105253531 is 1353525011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1105253531 - 2²² = 1101059227 is a prime.

It is a super-2 number, since 2×1105253531² = 2443170735575935922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105253531.

It is not an unprimeable number, because it can be changed into a prime (1105253533) 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, 6209201 + ... + 6209378.

It is an arithmetic number, because the mean of its divisors is an integer number (279418050).

Almost surely, 2^1105253531 is an apocalyptic number.

1105253531 is a deficient number, since it is larger than the sum of its proper divisors (12418669).

1105253531 is an equidigital number, since it uses as much as digits as its factorization.

1105253531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12418668.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1105253531 is about 33245.3535249665. The cubic root of 1105253531 is about 1033.9208745276.

Adding to 1105253531 its reverse (1353525011), we get a palindrome (2458778542).

The spelling of 1105253531 in words is "one billion, one hundred five million, two hundred fifty-three thousand, five hundred thirty-one".