514721901 has 8 divisors (see below), whose sum is σ = 686478240. Its totient is φ = 343056752.

The previous prime is 514721897. The next prime is 514721917. The reversal of 514721901 is 109127415.

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

It is a cyclic number.

It is not a de Polignac number, because 514721901 - 2² = 514721897 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514721981) 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, 8310 + ... + 33143.

It is an arithmetic number, because the mean of its divisors is an integer number (85809780).

Almost surely, 2^514721901 is an apocalyptic number.

It is an amenable number.

514721901 is a deficient number, since it is larger than the sum of its proper divisors (171756339).

514721901 is a wasteful number, since it uses less digits than its factorization.

514721901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45595.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 514721901 is about 22687.4833553658. The cubic root of 514721901 is about 801.4151519759.

The spelling of 514721901 in words is "five hundred fourteen million, seven hundred twenty-one thousand, nine hundred one".