514206891 has 12 divisors (see below), whose sum is σ = 810265560. Its totient is φ = 311640480.

The previous prime is 514206877. The next prime is 514206893. The reversal of 514206891 is 198602415.

It is a de Polignac number, because none of the positive numbers 2^k-514206891 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (514206893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2596906 + ... + 2597103.

It is an arithmetic number, because the mean of its divisors is an integer number (67522130).

Almost surely, 2^514206891 is an apocalyptic number.

514206891 is a deficient number, since it is larger than the sum of its proper divisors (296058669).

514206891 is a wasteful number, since it uses less digits than its factorization.

514206891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5194026 (or 5194023 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 514206891 is about 22676.1304238620. The cubic root of 514206891 is about 801.1477748743.

It can be divided in two parts, 51420 and 6891, that added together give a triangular number (58311 = T₃₄₁).

The spelling of 514206891 in words is "five hundred fourteen million, two hundred six thousand, eight hundred ninety-one".