513654103 has 2 divisors, whose sum is σ = 513654104. Its totient is φ = 513654102.

The previous prime is 513654041. The next prime is 513654137. The reversal of 513654103 is 301456315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513654103 - 2¹³ = 513645911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513654143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256827051 + 256827052.

It is an arithmetic number, because the mean of its divisors is an integer number (256827052).

Almost surely, 2^513654103 is an apocalyptic number.

513654103 is a deficient number, since it is larger than the sum of its proper divisors (1).

513654103 is an equidigital number, since it uses as much as digits as its factorization.

513654103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 513654103 is about 22663.9383823730. The cubic root of 513654103 is about 800.8605858871.

The spelling of 513654103 in words is "five hundred thirteen million, six hundred fifty-four thousand, one hundred three".