521052152 has 16 divisors (see below), whose sum is σ = 997760160. Its totient is φ = 254982784.

The previous prime is 521052151. The next prime is 521052197. The reversal of 521052152 is 251250125.

It is a super-2 number, since 2×521052152² = 542990690207662208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521052151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692513 + ... + 693264.

It is an arithmetic number, because the mean of its divisors is an integer number (62360010).

Almost surely, 2^521052152 is an apocalyptic number.

It is an amenable number.

521052152 is a deficient number, since it is larger than the sum of its proper divisors (476708008).

521052152 is a wasteful number, since it uses less digits than its factorization.

521052152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385830 (or 1385826 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 521052152 is about 22826.5668027411. The cubic root of 521052152 is about 804.6871471820.

The spelling of 521052152 in words is "five hundred twenty-one million, fifty-two thousand, one hundred fifty-two".