103021253 has 8 divisors (see below), whose sum is σ = 108322680. Its totient is φ = 97836480.

The previous prime is 103021229. The next prime is 103021271. The reversal of 103021253 is 352120301.

It can be written as a sum of positive squares in 4 ways, for example, as 6235009 + 96786244 = 2497^2 + 9838^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103021253 - 2⁸ = 103020997 is a prime.

It is a super-2 number, since 2×103021253² = 21226757139380018, 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 (103021273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27350 + ... + 30887.

It is an arithmetic number, because the mean of its divisors is an integer number (13540335).

Almost surely, 2^103021253 is an apocalyptic number.

It is an amenable number.

103021253 is a deficient number, since it is larger than the sum of its proper divisors (5301427).

103021253 is an equidigital number, since it uses as much as digits as its factorization.

103021253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58327.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 103021253 is about 10149.9385712427. The cubic root of 103021253 is about 468.7870534739.

Adding to 103021253 its reverse (352120301), we get a palindrome (455141554).

The spelling of 103021253 in words is "one hundred three million, twenty-one thousand, two hundred fifty-three".