4049525 has 12 divisors (see below), whose sum is σ = 5139552. Its totient is φ = 3163440.

The previous prime is 4049497. The next prime is 4049533. The reversal of 4049525 is 5259404.

It is a happy number.

It is not a de Polignac number, because 4049525 - 2¹⁶ = 3983989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 809 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (428296).

Almost surely, 2^4049525 is an apocalyptic number.

It is an amenable number.

4049525 is a deficient number, since it is larger than the sum of its proper divisors (1090027).

4049525 is a wasteful number, since it uses less digits than its factorization.

4049525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 4049525 is about 2012.3431615905. The cubic root of 4049525 is about 159.3925534940.

The spelling of 4049525 in words is "four million, forty-nine thousand, five hundred twenty-five".