103250513 has 2 divisors, whose sum is σ = 103250514. Its totient is φ = 103250512.

The previous prime is 103250509. The next prime is 103250549. The reversal of 103250513 is 315052301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76335169 + 26915344 = 8737^2 + 5188^2 .

It is a cyclic number.

It is not a de Polignac number, because 103250513 - 2² = 103250509 is a prime.

It is not a weakly prime, because it can be changed into another prime (103250713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51625256 + 51625257.

It is an arithmetic number, because the mean of its divisors is an integer number (51625257).

Almost surely, 2^103250513 is an apocalyptic number.

It is an amenable number.

103250513 is a deficient number, since it is larger than the sum of its proper divisors (1).

103250513 is an equidigital number, since it uses as much as digits as its factorization.

103250513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 103250513 is about 10161.2259594992. The cubic root of 103250513 is about 469.1345367749.

It can be divided in two parts, 10 and 3250513, that added together give a palindrome (3250523).

The spelling of 103250513 in words is "one hundred three million, two hundred fifty thousand, five hundred thirteen".