103225251 has 4 divisors (see below), whose sum is σ = 137633672. Its totient is φ = 68816832.

The previous prime is 103225247. The next prime is 103225273. The reversal of 103225251 is 152522301.

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

It is not a de Polignac number, because 103225251 - 2² = 103225247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103225201) 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, 17204206 + ... + 17204211.

It is an arithmetic number, because the mean of its divisors is an integer number (34408418).

Almost surely, 2^103225251 is an apocalyptic number.

103225251 is a deficient number, since it is larger than the sum of its proper divisors (34408421).

103225251 is an equidigital number, since it uses as much as digits as its factorization.

103225251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34408420.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 103225251 is about 10159.9828247886. The cubic root of 103225251 is about 469.0962730640.

Adding to 103225251 its reverse (152522301), we get a palindrome (255747552).

The spelling of 103225251 in words is "one hundred three million, two hundred twenty-five thousand, two hundred fifty-one".