514340421 has 32 divisors (see below), whose sum is σ = 821145600. Its totient is φ = 279992064.

The previous prime is 514340419. The next prime is 514340429. The reversal of 514340421 is 124043415.

It is not a de Polignac number, because 514340421 - 2¹ = 514340419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 514340391 and 514340400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514340429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125005 + ... + 129053.

It is an arithmetic number, because the mean of its divisors is an integer number (25660800).

Almost surely, 2^514340421 is an apocalyptic number.

It is an amenable number.

514340421 is a deficient number, since it is larger than the sum of its proper divisors (306805179).

514340421 is a wasteful number, since it uses less digits than its factorization.

514340421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 514340421 is about 22679.0745181544. The cubic root of 514340421 is about 801.2171166157.

Adding to 514340421 its reverse (124043415), we get a palindrome (638383836).

The spelling of 514340421 in words is "five hundred fourteen million, three hundred forty thousand, four hundred twenty-one".