11172625 has 8 divisors (see below), whose sum is σ = 13943592. Its totient is φ = 8938000.

The previous prime is 11172613. The next prime is 11172659. The reversal of 11172625 is 52627111.

11172625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2692881 + 8479744 = 1641^2 + 2912^2 .

It is not a de Polignac number, because 11172625 - 2⁵ = 11172593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 11172625.

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, 44566 + ... + 44815.

It is an arithmetic number, because the mean of its divisors is an integer number (1742949).

Almost surely, 2^11172625 is an apocalyptic number.

It is an amenable number.

11172625 is a deficient number, since it is larger than the sum of its proper divisors (2770967).

11172625 is an frugal number, since it uses more digits than its factorization.

11172625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89396 (or 89386 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 11172625 is about 3342.5476810361. The cubic root of 11172625 is about 223.5553533319. Note that the first 3 decimals are identical.

Adding to 11172625 its reverse (52627111), we get a palindrome (63799736).

The spelling of 11172625 in words is "eleven million, one hundred seventy-two thousand, six hundred twenty-five".