49145825 has 24 divisors (see below), whose sum is σ = 64186368. Its totient is φ = 37255680.

The previous prime is 49145801. The next prime is 49145843. The reversal of 49145825 is 52854194.

It is not a de Polignac number, because 49145825 - 2¹⁴ = 49129441 is a prime.

It is a super-2 number, since 2×49145825² = 4830624229861250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72689 + ... + 73361.

It is an arithmetic number, because the mean of its divisors is an integer number (2674432).

Almost surely, 2^49145825 is an apocalyptic number.

It is an amenable number.

49145825 is a deficient number, since it is larger than the sum of its proper divisors (15040543).

49145825 is a wasteful number, since it uses less digits than its factorization.

49145825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 828 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 49145825 is about 7010.4083333284. The cubic root of 49145825 is about 366.2932171082.

The spelling of 49145825 in words is "forty-nine million, one hundred forty-five thousand, eight hundred twenty-five".