424512252 has 36 divisors (see below), whose sum is σ = 1112818616. Its totient is φ = 141503760.

The previous prime is 424512251. The next prime is 424512259. The reversal of 424512252 is 252215424.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×424512252² = 360421304196223008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424512251) 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, 217399 + ... + 219342.

Almost surely, 2^424512252 is an apocalyptic number.

It is an amenable number.

424512252 is an abundant number, since it is smaller than the sum of its proper divisors (688306364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424512252 is a wasteful number, since it uses less digits than its factorization.

424512252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436760 (or 436746 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 424512252 is about 20603.6951054902. The cubic root of 424512252 is about 751.5595707376.

Adding to 424512252 its reverse (252215424), we get a palindrome (676727676).

The spelling of 424512252 in words is "four hundred twenty-four million, five hundred twelve thousand, two hundred fifty-two".