103453521 has 8 divisors (see below), whose sum is σ = 138033600. Its totient is φ = 68921232.

The previous prime is 103453513. The next prime is 103453529. The reversal of 103453521 is 125354301.

It is an interprime number because it is at equal distance from previous prime (103453513) and next prime (103453529).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103453521 - 2³ = 103453513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103453491 and 103453500.

It is not an unprimeable number, because it can be changed into a prime (103453529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6546 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (17254200).

Almost surely, 2^103453521 is an apocalyptic number.

It is an amenable number.

103453521 is a deficient number, since it is larger than the sum of its proper divisors (34580079).

103453521 is a wasteful number, since it uses less digits than its factorization.

103453521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23895.

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

The square root of 103453521 is about 10171.2103999475. The cubic root of 103453521 is about 469.4418014761.

The spelling of 103453521 in words is "one hundred three million, four hundred fifty-three thousand, five hundred twenty-one".