49462781 has 2 divisors, whose sum is σ = 49462782. Its totient is φ = 49462780.

The previous prime is 49462739. The next prime is 49462793. The reversal of 49462781 is 18726494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45010681 + 4452100 = 6709^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 49462781 - 2¹⁰ = 49461757 is a prime.

It is a super-2 number, since 2×49462781² = 4893133408507922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49462711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24731390 + 24731391.

It is an arithmetic number, because the mean of its divisors is an integer number (24731391).

Almost surely, 2^49462781 is an apocalyptic number.

It is an amenable number.

49462781 is a deficient number, since it is larger than the sum of its proper divisors (1).

49462781 is an equidigital number, since it uses as much as digits as its factorization.

49462781 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 49462781 is about 7032.9781031936. The cubic root of 49462781 is about 367.0789748545.

The spelling of 49462781 in words is "forty-nine million, four hundred sixty-two thousand, seven hundred eighty-one".