514231404551 has 4 divisors (see below), whose sum is σ = 514506249504. Its totient is φ = 513956559600.

The previous prime is 514231404541. The next prime is 514231404593. The reversal of 514231404551 is 155404132415.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-514231404551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514231404541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137419670 + ... + 137423411.

It is an arithmetic number, because the mean of its divisors is an integer number (128626562376).

Almost surely, 2^514231404551 is an apocalyptic number.

514231404551 is a deficient number, since it is larger than the sum of its proper divisors (274844953).

514231404551 is a wasteful number, since it uses less digits than its factorization.

514231404551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274844952.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 514231404551 its reverse (155404132415), we get a palindrome (669635536966).

The spelling of 514231404551 in words is "five hundred fourteen billion, two hundred thirty-one million, four hundred four thousand, five hundred fifty-one".