103674521 has 4 divisors (see below), whose sum is σ = 103702032. Its totient is φ = 103647012.

The previous prime is 103674499. The next prime is 103674541. The reversal of 103674521 is 125476301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 125476301 = 29 ⋅4326769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103674521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103674541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6995 + ... + 16008.

It is an arithmetic number, because the mean of its divisors is an integer number (25925508).

Almost surely, 2^103674521 is an apocalyptic number.

It is an amenable number.

103674521 is a deficient number, since it is larger than the sum of its proper divisors (27511).

103674521 is an equidigital number, since it uses as much as digits as its factorization.

103674521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27510.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 103674521 is about 10182.0686012224. The cubic root of 103674521 is about 469.7758415014.

It can be divided in two parts, 1036 and 74521, that added together give a palindrome (75557).

The spelling of 103674521 in words is "one hundred three million, six hundred seventy-four thousand, five hundred twenty-one".