103725913 has 2 divisors, whose sum is σ = 103725914. Its totient is φ = 103725912.

The previous prime is 103725899. The next prime is 103725917. The reversal of 103725913 is 319527301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60652944 + 43072969 = 7788^2 + 6563^2 .

It is a cyclic number.

It is not a de Polignac number, because 103725913 - 2¹³ = 103717721 is a prime.

It is equal to p_5963611 and since 103725913 and 5963611 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (103725917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51862956 + 51862957.

It is an arithmetic number, because the mean of its divisors is an integer number (51862957).

Almost surely, 2^103725913 is an apocalyptic number.

It is an amenable number.

103725913 is a deficient number, since it is larger than the sum of its proper divisors (1).

103725913 is an equidigital number, since it uses as much as digits as its factorization.

103725913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 103725913 is about 10184.5919407701. The cubic root of 103725913 is about 469.8534521225.

The spelling of 103725913 in words is "one hundred three million, seven hundred twenty-five thousand, nine hundred thirteen".