103259621 has 2 divisors, whose sum is σ = 103259622. Its totient is φ = 103259620.

The previous prime is 103259599. The next prime is 103259647. The reversal of 103259621 is 126952301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86694721 + 16564900 = 9311^2 + 4070^2 .

It is a cyclic number.

It is not a de Polignac number, because 103259621 - 2²⁶ = 36150757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103259671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51629810 + 51629811.

It is an arithmetic number, because the mean of its divisors is an integer number (51629811).

Almost surely, 2^103259621 is an apocalyptic number.

It is an amenable number.

103259621 is a deficient number, since it is larger than the sum of its proper divisors (1).

103259621 is an equidigital number, since it uses as much as digits as its factorization.

103259621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 103259621 is about 10161.6741238833. The cubic root of 103259621 is about 469.1483309008.

The spelling of 103259621 in words is "one hundred three million, two hundred fifty-nine thousand, six hundred twenty-one".