514405491 has 4 divisors (see below), whose sum is σ = 685873992. Its totient is φ = 342936992.

The previous prime is 514405481. The next prime is 514405513. The reversal of 514405491 is 194504415.

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

It is a cyclic number.

It is not a de Polignac number, because 514405491 - 2⁶ = 514405427 is a prime.

It is a super-2 number, since 2×514405491² = 529226018341902162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (514405481) 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, 85734246 + ... + 85734251.

It is an arithmetic number, because the mean of its divisors is an integer number (171468498).

Almost surely, 2^514405491 is an apocalyptic number.

514405491 is a deficient number, since it is larger than the sum of its proper divisors (171468501).

514405491 is a wasteful number, since it uses less digits than its factorization.

514405491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171468500.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 514405491 is about 22680.5090551337. The cubic root of 514405491 is about 801.2509029287.

The spelling of 514405491 in words is "five hundred fourteen million, four hundred five thousand, four hundred ninety-one".