514251638 has 4 divisors (see below), whose sum is σ = 771377460. Its totient is φ = 257125818.

The previous prime is 514251629. The next prime is 514251659. The reversal of 514251638 is 836152415.

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

It is a junction number, because it is equal to n+sod(n) for n = 514251598 and 514251607.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 128562908 + ... + 128562911.

It is an arithmetic number, because the mean of its divisors is an integer number (192844365).

Almost surely, 2^514251638 is an apocalyptic number.

514251638 is a deficient number, since it is larger than the sum of its proper divisors (257125822).

514251638 is a wasteful number, since it uses less digits than its factorization.

514251638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257125821.

The product of its digits is 28800, while the sum is 35.

The square root of 514251638 is about 22677.1170566278. The cubic root of 514251638 is about 801.1710131988.

The spelling of 514251638 in words is "five hundred fourteen million, two hundred fifty-one thousand, six hundred thirty-eight".