1714520921 has 4 divisors (see below), whose sum is σ = 1714643892. Its totient is φ = 1714397952.

The previous prime is 1714520909. The next prime is 1714520923. The reversal of 1714520921 is 1290254171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229189321 + 1485331600 = 15139^2 + 38540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1714520921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1714520923) 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, 37436 + ... + 69501.

It is an arithmetic number, because the mean of its divisors is an integer number (428660973).

Almost surely, 2^1714520921 is an apocalyptic number.

It is an amenable number.

1714520921 is a deficient number, since it is larger than the sum of its proper divisors (122971).

1714520921 is a wasteful number, since it uses less digits than its factorization.

1714520921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122970.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1714520921 is about 41406.7738540447. The cubic root of 1714520921 is about 1196.8716946655.

The spelling of 1714520921 in words is "one billion, seven hundred fourteen million, five hundred twenty thousand, nine hundred twenty-one".