514221012 has 18 divisors (see below), whose sum is σ = 1299836538. Its totient is φ = 171406992.

The previous prime is 514221007. The next prime is 514221013. The reversal of 514221012 is 210122415.

It can be written as a sum of positive squares in only one way, i.e., 459845136 + 54375876 = 21444^2 + 7374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514221013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7141923 + ... + 7141994.

It is an arithmetic number, because the mean of its divisors is an integer number (72213141).

Almost surely, 2^514221012 is an apocalyptic number.

It is an amenable number.

514221012 is an abundant number, since it is smaller than the sum of its proper divisors (785615526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

514221012 is a wasteful number, since it uses less digits than its factorization.

514221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14283927 (or 14283922 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 514221012 is about 22676.4417843717. The cubic root of 514221012 is about 801.1551084362.

Adding to 514221012 its reverse (210122415), we get a palindrome (724343427).

The spelling of 514221012 in words is "five hundred fourteen million, two hundred twenty-one thousand, twelve".