252144425 has 48 divisors (see below), whose sum is σ = 364476672. Its totient is φ = 171340800.

The previous prime is 252144407. The next prime is 252144439. The reversal of 252144425 is 524441252.

It is not a de Polignac number, because 252144425 - 2⁸ = 252144169 is a prime.

It is a super-2 number, since 2×252144425² = 127153622117161250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259190 + ... + 260160.

It is an arithmetic number, because the mean of its divisors is an integer number (7593264).

Almost surely, 2^252144425 is an apocalyptic number.

252144425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252144425 is a deficient number, since it is larger than the sum of its proper divisors (112332247).

252144425 is a wasteful number, since it uses less digits than its factorization.

252144425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1053 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 252144425 is about 15879.0561747227. The cubic root of 252144425 is about 631.7566034187.

Adding to 252144425 its reverse (524441252), we get a palindrome (776585677).

The spelling of 252144425 in words is "two hundred fifty-two million, one hundred forty-four thousand, four hundred twenty-five".