49647131 has 2 divisors, whose sum is σ = 49647132. Its totient is φ = 49647130.

The previous prime is 49647113. The next prime is 49647149. The reversal of 49647131 is 13174694.

Together with previous prime (49647113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (49647113) and next prime (49647149).

It is a cyclic number.

It is not a de Polignac number, because 49647131 - 2¹⁴ = 49630747 is a prime.

It is a super-2 number, since 2×49647131² = 4929675233062322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49647091 and 49647100.

It is not a weakly prime, because it can be changed into another prime (49647161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24823565 + 24823566.

It is an arithmetic number, because the mean of its divisors is an integer number (24823566).

Almost surely, 2^49647131 is an apocalyptic number.

49647131 is a deficient number, since it is larger than the sum of its proper divisors (1).

49647131 is an equidigital number, since it uses as much as digits as its factorization.

49647131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 49647131 is about 7046.0720263137. The cubic root of 49647131 is about 367.5344493907.

The spelling of 49647131 in words is "forty-nine million, six hundred forty-seven thousand, one hundred thirty-one".