514338921 has 12 divisors (see below), whose sum is σ = 751282740. Its totient is φ = 339039360.

The previous prime is 514338919. The next prime is 514338959. The reversal of 514338921 is 129833415.

It can be written as a sum of positive squares in 2 ways, for example, as 283450896 + 230888025 = 16836^2 + 15195^2 .

It is not a de Polignac number, because 514338921 - 2¹ = 514338919 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (514338971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320260 + ... + 321861.

It is an arithmetic number, because the mean of its divisors is an integer number (62606895).

Almost surely, 2^514338921 is an apocalyptic number.

It is an amenable number.

514338921 is a deficient number, since it is larger than the sum of its proper divisors (236943819).

514338921 is a wasteful number, since it uses less digits than its factorization.

514338921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642216 (or 642213 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 514338921 is about 22679.0414479978. The cubic root of 514338921 is about 801.2163377367.

The spelling of 514338921 in words is "five hundred fourteen million, three hundred thirty-eight thousand, nine hundred twenty-one".