1099452625 has 8 divisors (see below), whose sum is σ = 1372117032. Its totient is φ = 879562000.

The previous prime is 1099452583. The next prime is 1099452637. The reversal of 1099452625 is 5262549901.

It can be written as a sum of positive squares in 4 ways, for example, as 248913729 + 850538896 = 15777^2 + 29164^2 .

It is not a de Polignac number, because 1099452625 - 2²⁵ = 1065898193 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 4397686 + ... + 4397935.

It is an arithmetic number, because the mean of its divisors is an integer number (171514629).

Almost surely, 2^1099452625 is an apocalyptic number.

It is an amenable number.

1099452625 is a deficient number, since it is larger than the sum of its proper divisors (272664407).

1099452625 is an frugal number, since it uses more digits than its factorization.

1099452625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795636 (or 8795626 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 1099452625 is about 33157.9948881111. The cubic root of 1099452625 is about 1032.1088614931.

The spelling of 1099452625 in words is "one billion, ninety-nine million, four hundred fifty-two thousand, six hundred twenty-five".