103225511 has 4 divisors (see below), whose sum is σ = 104013624. Its totient is φ = 102437400.

The previous prime is 103225501. The next prime is 103225543. The reversal of 103225511 is 115522301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103225511 is a prime.

It is a super-2 number, since 2×103225511² = 21311012242422242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103225501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393860 + ... + 394121.

It is an arithmetic number, because the mean of its divisors is an integer number (26003406).

Almost surely, 2^103225511 is an apocalyptic number.

103225511 is a deficient number, since it is larger than the sum of its proper divisors (788113).

103225511 is an equidigital number, since it uses as much as digits as its factorization.

103225511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788112.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 103225511 is about 10159.9956200778. The cubic root of 103225511 is about 469.0966669113.

Adding to 103225511 its reverse (115522301), we get a palindrome (218747812).

The spelling of 103225511 in words is "one hundred three million, two hundred twenty-five thousand, five hundred eleven".