103513511 has 2 divisors, whose sum is σ = 103513512. Its totient is φ = 103513510.

The previous prime is 103513483. The next prime is 103513519. The reversal of 103513511 is 115315301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103513511 - 2²⁶ = 36404647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103513519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51756755 + 51756756.

It is an arithmetic number, because the mean of its divisors is an integer number (51756756).

Almost surely, 2^103513511 is an apocalyptic number.

103513511 is a deficient number, since it is larger than the sum of its proper divisors (1).

103513511 is an equidigital number, since it uses as much as digits as its factorization.

103513511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 103513511 is about 10174.1589824417. The cubic root of 103513511 is about 469.5325229638.

Adding to 103513511 its reverse (115315301), we get a palindrome (218828812).

The spelling of 103513511 in words is "one hundred three million, five hundred thirteen thousand, five hundred eleven".