49091425 has 6 divisors (see below), whose sum is σ = 60873398. Its totient is φ = 39273120.

The previous prime is 49091401. The next prime is 49091431. The reversal of 49091425 is 52419094.

49091425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4562496 + 44528929 = 2136^2 + 6673^2 .

It is not a de Polignac number, because 49091425 - 2¹¹ = 49089377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 981804 + ... + 981853.

Almost surely, 2^49091425 is an apocalyptic number.

It is an amenable number.

49091425 is a deficient number, since it is larger than the sum of its proper divisors (11781973).

49091425 is a wasteful number, since it uses less digits than its factorization.

49091425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963667 (or 1963662 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 49091425 is about 7006.5273138695. The cubic root of 49091425 is about 366.1580160153.

The spelling of 49091425 in words is "forty-nine million, ninety-one thousand, four hundred twenty-five".