514990291 has 4 divisors (see below), whose sum is σ = 523719000. Its totient is φ = 506261584.

The previous prime is 514990279. The next prime is 514990313. The reversal of 514990291 is 192099415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192099415 = 5 ⋅38419883.

It is a cyclic number.

It is not a de Polignac number, because 514990291 - 2⁹ = 514989779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514990211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4364266 + ... + 4364383.

It is an arithmetic number, because the mean of its divisors is an integer number (130929750).

Almost surely, 2^514990291 is an apocalyptic number.

514990291 is a deficient number, since it is larger than the sum of its proper divisors (8728709).

514990291 is an equidigital number, since it uses as much as digits as its factorization.

514990291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728708.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 514990291 is about 22693.3975199836. The cubic root of 514990291 is about 801.5544209922.

The spelling of 514990291 in words is "five hundred fourteen million, nine hundred ninety thousand, two hundred ninety-one".