514123405 has 4 divisors (see below), whose sum is σ = 616948092. Its totient is φ = 411298720.

The previous prime is 514123403. The next prime is 514123411. The reversal of 514123405 is 504321415.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 152324964 + 361798441 = 12342^2 + 19021^2 .

It is not a de Polignac number, because 514123405 - 2¹ = 514123403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 514123405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514123403) 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, 51412336 + ... + 51412345.

It is an arithmetic number, because the mean of its divisors is an integer number (154237023).

Almost surely, 2^514123405 is an apocalyptic number.

It is an amenable number.

514123405 is a deficient number, since it is larger than the sum of its proper divisors (102824687).

514123405 is a wasteful number, since it uses less digits than its factorization.

514123405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102824686.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 514123405 is about 22674.2895147786. The cubic root of 514123405 is about 801.1044147377.

The spelling of 514123405 in words is "five hundred fourteen million, one hundred twenty-three thousand, four hundred five".