524040252 has 48 divisors (see below), whose sum is σ = 1235623200. Its totient is φ = 172852992.

The previous prime is 524040241. The next prime is 524040263. The reversal of 524040252 is 252040425.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (524040241) and next prime (524040263).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657118 + ... + 657914.

It is an arithmetic number, because the mean of its divisors is an integer number (25742150).

Almost surely, 2^524040252 is an apocalyptic number.

It is an amenable number.

524040252 is an abundant number, since it is smaller than the sum of its proper divisors (711582948).

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

524040252 is a wasteful number, since it uses less digits than its factorization.

524040252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 524040252 is about 22891.9254760276. The cubic root of 524040252 is about 806.2224406420. Note that the first 3 decimals are identical.

Adding to 524040252 its reverse (252040425), we get a palindrome (776080677).

The spelling of 524040252 in words is "five hundred twenty-four million, forty thousand, two hundred fifty-two".