252381427 has 4 divisors (see below), whose sum is σ = 265664680. Its totient is φ = 239098176.

The previous prime is 252381413. The next prime is 252381431. The reversal of 252381427 is 724183252.

It is a happy number.

252381427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252381427 - 2⁷ = 252381299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252381392 and 252381401.

It is not an unprimeable number, because it can be changed into a prime (252381407) 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, 6641598 + ... + 6641635.

It is an arithmetic number, because the mean of its divisors is an integer number (66416170).

Almost surely, 2^252381427 is an apocalyptic number.

252381427 is a deficient number, since it is larger than the sum of its proper divisors (13283253).

252381427 is a wasteful number, since it uses less digits than its factorization.

252381427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13283252.

The product of its digits is 26880, while the sum is 34.

The square root of 252381427 is about 15886.5171450510. The cubic root of 252381427 is about 631.9544803446.

The spelling of 252381427 in words is "two hundred fifty-two million, three hundred eighty-one thousand, four hundred twenty-seven".