449857525 has 24 divisors (see below), whose sum is σ = 603961344. Its totient is φ = 330417600.

The previous prime is 449857501. The next prime is 449857559. The reversal of 449857525 is 525758944.

It is not a de Polignac number, because 449857525 - 2¹⁹ = 449333237 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 23 ways as a sum of consecutive naturals, for example, 58452 + ... + 65698.

It is an arithmetic number, because the mean of its divisors is an integer number (25165056).

Almost surely, 2^449857525 is an apocalyptic number.

It is an amenable number.

449857525 is a deficient number, since it is larger than the sum of its proper divisors (154103819).

449857525 is a wasteful number, since it uses less digits than its factorization.

449857525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7461 (or 7456 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The square root of 449857525 is about 21209.8450017910. The cubic root of 449857525 is about 766.2285498299.

The spelling of 449857525 in words is "four hundred forty-nine million, eight hundred fifty-seven thousand, five hundred twenty-five".