49137425 has 6 divisors (see below), whose sum is σ = 60930438. Its totient is φ = 39309920.

The previous prime is 49137421. The next prime is 49137457. The reversal of 49137425 is 52473194.

It can be written as a sum of positive squares in 3 ways, for example, as 4528384 + 44609041 = 2128^2 + 6679^2 .

It is not a de Polignac number, because 49137425 - 2² = 49137421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49137421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 982724 + ... + 982773.

It is an arithmetic number, because the mean of its divisors is an integer number (10155073).

Almost surely, 2^49137425 is an apocalyptic number.

It is an amenable number.

49137425 is a deficient number, since it is larger than the sum of its proper divisors (11793013).

49137425 is a wasteful number, since it uses less digits than its factorization.

49137425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965507 (or 1965502 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 49137425 is about 7009.8091985446. The cubic root of 49137425 is about 366.2723469845.

The spelling of 49137425 in words is "forty-nine million, one hundred thirty-seven thousand, four hundred twenty-five".