107996521 has 4 divisors (see below), whose sum is σ = 110508112. Its totient is φ = 105484932.

The previous prime is 107996507. The next prime is 107996561. The reversal of 107996521 is 125699701.

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.

It is a cyclic number.

It is not a de Polignac number, because 107996521 - 2¹³ = 107988329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107996561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255731 + ... + 1255816.

It is an arithmetic number, because the mean of its divisors is an integer number (27627028).

Almost surely, 2^107996521 is an apocalyptic number.

It is an amenable number.

107996521 is a deficient number, since it is larger than the sum of its proper divisors (2511591).

107996521 is an equidigital number, since it uses as much as digits as its factorization.

107996521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511590.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 107996521 is about 10392.1374605997. The cubic root of 107996521 is about 476.2152020464.

The spelling of 107996521 in words is "one hundred seven million, nine hundred ninety-six thousand, five hundred twenty-one".