4216525 has 12 divisors (see below), whose sum is σ = 5258592. Its totient is φ = 3353840.

The previous prime is 4216523. The next prime is 4216573. The reversal of 4216525 is 5256124.

It is not a de Polignac number, because 4216525 - 2¹ = 4216523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 4¹¹ + 2 + 1 + 6⁵ + 5⁵ + 2¹³ + 5⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4216525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216523) 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, 5304 + ... + 6046.

It is an arithmetic number, because the mean of its divisors is an integer number (438216).

Almost surely, 2^4216525 is an apocalyptic number.

It is an amenable number.

4216525 is a deficient number, since it is larger than the sum of its proper divisors (1042067).

4216525 is a wasteful number, since it uses less digits than its factorization.

4216525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980 (or 975 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 4216525 is about 2053.4178824584. The cubic root of 4216525 is about 161.5541901366.

The spelling of 4216525 in words is "four million, two hundred sixteen thousand, five hundred twenty-five".