103631573 has 2 divisors, whose sum is σ = 103631574. Its totient is φ = 103631572.

The previous prime is 103631557. The next prime is 103631579. The reversal of 103631573 is 375136301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57486724 + 46144849 = 7582^2 + 6793^2 .

It is a cyclic number.

It is not a de Polignac number, because 103631573 - 2⁴ = 103631557 is a prime.

It is a super-3 number, since 3×103631573³ (a number of 25 digits) contains 333 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103631579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51815786 + 51815787.

It is an arithmetic number, because the mean of its divisors is an integer number (51815787).

Almost surely, 2^103631573 is an apocalyptic number.

It is an amenable number.

103631573 is a deficient number, since it is larger than the sum of its proper divisors (1).

103631573 is an equidigital number, since it uses as much as digits as its factorization.

103631573 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 29.

The square root of 103631573 is about 10179.9593810585. The cubic root of 103631573 is about 469.7109630745.

Adding to 103631573 its reverse (375136301), we get a palindrome (478767874).

The spelling of 103631573 in words is "one hundred three million, six hundred thirty-one thousand, five hundred seventy-three".