49281751 has 2 divisors, whose sum is σ = 49281752. Its totient is φ = 49281750.

The previous prime is 49281737. The next prime is 49281761. The reversal of 49281751 is 15718294.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49281751 - 2¹⁹ = 48757463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49281751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49281761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24640875 + 24640876.

It is an arithmetic number, because the mean of its divisors is an integer number (24640876).

Almost surely, 2^49281751 is an apocalyptic number.

49281751 is a deficient number, since it is larger than the sum of its proper divisors (1).

49281751 is an equidigital number, since it uses as much as digits as its factorization.

49281751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 37.

The square root of 49281751 is about 7020.0962244117. The cubic root of 49281751 is about 366.6306004011.

The spelling of 49281751 in words is "forty-nine million, two hundred eighty-one thousand, seven hundred fifty-one".