514630253 has 4 divisors (see below), whose sum is σ = 521144640. Its totient is φ = 508115868.

The previous prime is 514630199. The next prime is 514630271. The reversal of 514630253 is 352036415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352036415 = 5 ⋅70407283.

It is a cyclic number.

It is not a de Polignac number, because 514630253 - 2¹⁸ = 514368109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514630153) 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, 3257075 + ... + 3257232.

It is an arithmetic number, because the mean of its divisors is an integer number (130286160).

Almost surely, 2^514630253 is an apocalyptic number.

It is an amenable number.

514630253 is a deficient number, since it is larger than the sum of its proper divisors (6514387).

514630253 is an equidigital number, since it uses as much as digits as its factorization.

514630253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514386.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 514630253 is about 22685.4634733346. The cubic root of 514630253 is about 801.3675842470.

Adding to 514630253 its reverse (352036415), we get a palindrome (866666668).

The spelling of 514630253 in words is "five hundred fourteen million, six hundred thirty thousand, two hundred fifty-three".