514251987 has 8 divisors (see below), whose sum is σ = 685896960. Its totient is φ = 342720840.

The previous prime is 514251977. The next prime is 514252003. The reversal of 514251987 is 789152415.

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

It is not a de Polignac number, because 514251987 - 2⁶ = 514251923 is a prime.

It is a super-2 number, since 2×514251987² = 528910212266896338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (514251977) 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, 17287 + ... + 36432.

It is an arithmetic number, because the mean of its divisors is an integer number (85737120).

Almost surely, 2^514251987 is an apocalyptic number.

514251987 is a deficient number, since it is larger than the sum of its proper divisors (171644973).

514251987 is a wasteful number, since it uses less digits than its factorization.

514251987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56913.

The product of its digits is 100800, while the sum is 42.

The square root of 514251987 is about 22677.1247516082. The cubic root of 514251987 is about 801.1711944386.

The spelling of 514251987 in words is "five hundred fourteen million, two hundred fifty-one thousand, nine hundred eighty-seven".