1088624549 has 4 divisors (see below), whose sum is σ = 1088953536. Its totient is φ = 1088295564.

The previous prime is 1088624543. The next prime is 1088624573. The reversal of 1088624549 is 9454268801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1088624549 - 2¹² = 1088620453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088624543) 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, 159479 + ... + 166164.

It is an arithmetic number, because the mean of its divisors is an integer number (272238384).

Almost surely, 2^1088624549 is an apocalyptic number.

It is an amenable number.

1088624549 is a deficient number, since it is larger than the sum of its proper divisors (328987).

1088624549 is an equidigital number, since it uses as much as digits as its factorization.

1088624549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328986.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 1088624549 is about 32994.3108580858. The cubic root of 1088624549 is about 1028.7093990287.

The spelling of 1088624549 in words is "one billion, eighty-eight million, six hundred twenty-four thousand, five hundred forty-nine".