104625521 has 32 divisors (see below), whose sum is σ = 141754368. Its totient is φ = 74571840.

The previous prime is 104625511. The next prime is 104625539. The reversal of 104625521 is 125526401.

It is not a de Polignac number, because 104625521 - 2¹⁴ = 104609137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104625511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126716 + ... + 127538.

It is an arithmetic number, because the mean of its divisors is an integer number (4429824).

Almost surely, 2^104625521 is an apocalyptic number.

104625521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104625521 is a deficient number, since it is larger than the sum of its proper divisors (37128847).

104625521 is a wasteful number, since it uses less digits than its factorization.

104625521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 104625521 is about 10228.6617404233. The cubic root of 104625521 is about 471.2078800124.

The spelling of 104625521 in words is "one hundred four million, six hundred twenty-five thousand, five hundred twenty-one".