49361731 has 2 divisors, whose sum is σ = 49361732. Its totient is φ = 49361730.

The previous prime is 49361707. The next prime is 49361743. The reversal of 49361731 is 13716394.

49361731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49361731 - 2¹¹ = 49359683 is a prime.

It is a super-2 number, since 2×49361731² = 4873160974632722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49361771) by changing a digit.

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 as a sum of consecutive naturals, namely, 24680865 + 24680866.

It is an arithmetic number, because the mean of its divisors is an integer number (24680866).

Almost surely, 2^49361731 is an apocalyptic number.

49361731 is the 4444-th centered pentagonal number.

49361731 is a deficient number, since it is larger than the sum of its proper divisors (1).

49361731 is an equidigital number, since it uses as much as digits as its factorization.

49361731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 49361731 is about 7025.7904181665. The cubic root of 49361731 is about 366.8288297399.

The spelling of 49361731 in words is "forty-nine million, three hundred sixty-one thousand, seven hundred thirty-one".