4201528 has 8 divisors (see below), whose sum is σ = 7877880. Its totient is φ = 2100760.

The previous prime is 4201513. The next prime is 4201529. The reversal of 4201528 is 8251024.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 2 + 0 + 1 + 5⁵ + 2²¹ + 8⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 4201499 and 4201508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262588 + ... + 262603.

It is an arithmetic number, because the mean of its divisors is an integer number (984735).

Almost surely, 2^4201528 is an apocalyptic number.

It is an amenable number.

4201528 is a deficient number, since it is larger than the sum of its proper divisors (3676352).

4201528 is a wasteful number, since it uses less digits than its factorization.

4201528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525197 (or 525193 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4201528 is about 2049.7629131195. The cubic root of 4201528 is about 161.3624282537.

The spelling of 4201528 in words is "four million, two hundred one thousand, five hundred twenty-eight".