252443775 has 12 divisors (see below), whose sum is σ = 417373832. Its totient is φ = 134636640.

The previous prime is 252443773. The next prime is 252443797. The reversal of 252443775 is 577344252.

It is not a de Polignac number, because 252443775 - 2¹ = 252443773 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 (252443771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1682884 + ... + 1683033.

Almost surely, 2^252443775 is an apocalyptic number.

252443775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

252443775 is a deficient number, since it is larger than the sum of its proper divisors (164930057).

252443775 is a wasteful number, since it uses less digits than its factorization.

252443775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365930 (or 3365925 counting only the distinct ones).

The product of its digits is 235200, while the sum is 39.

The square root of 252443775 is about 15888.4793167880. The cubic root of 252443775 is about 632.0065151481.

The spelling of 252443775 in words is "two hundred fifty-two million, four hundred forty-three thousand, seven hundred seventy-five".