103354521 has 16 divisors (see below), whose sum is σ = 143156160. Its totient is φ = 66248000.

The previous prime is 103354477. The next prime is 103354523. The reversal of 103354521 is 125453301.

It is a cyclic number.

It is not a de Polignac number, because 103354521 - 2⁷ = 103354393 is a prime.

It is a super-2 number, since 2×103354521² = 21364314022278882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103354491 and 103354500.

It is not an unprimeable number, because it can be changed into a prime (103354523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19471 + ... + 24203.

It is an arithmetic number, because the mean of its divisors is an integer number (8947260).

Almost surely, 2^103354521 is an apocalyptic number.

It is an amenable number.

103354521 is a deficient number, since it is larger than the sum of its proper divisors (39801639).

103354521 is a wasteful number, since it uses less digits than its factorization.

103354521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 103354521 is about 10166.3425576753. The cubic root of 103354521 is about 469.2920093425.

The spelling of 103354521 in words is "one hundred three million, three hundred fifty-four thousand, five hundred twenty-one".