49472513 has 4 divisors (see below), whose sum is σ = 49486848. Its totient is φ = 49458180.

The previous prime is 49472491. The next prime is 49472539. The reversal of 49472513 is 31527494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49472513 - 2¹⁰ = 49471489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49475513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520 + ... + 10062.

It is an arithmetic number, because the mean of its divisors is an integer number (12371712).

Almost surely, 2^49472513 is an apocalyptic number.

It is an amenable number.

49472513 is a deficient number, since it is larger than the sum of its proper divisors (14335).

49472513 is an equidigital number, since it uses as much as digits as its factorization.

49472513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14334.

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

The square root of 49472513 is about 7033.6699524501. The cubic root of 49472513 is about 367.1030480279.

The spelling of 49472513 in words is "forty-nine million, four hundred seventy-two thousand, five hundred thirteen".