48417781 has 2 divisors, whose sum is σ = 48417782. Its totient is φ = 48417780.

The previous prime is 48417767. The next prime is 48417823. The reversal of 48417781 is 18771484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33246756 + 15171025 = 5766^2 + 3895^2 .

It is a cyclic number.

It is not a de Polignac number, because 48417781 - 2⁷ = 48417653 is a prime.

It is a super-2 number, since 2×48417781² = 4688563033927922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48417181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24208890 + 24208891.

It is an arithmetic number, because the mean of its divisors is an integer number (24208891).

Almost surely, 2^48417781 is an apocalyptic number.

It is an amenable number.

48417781 is a deficient number, since it is larger than the sum of its proper divisors (1).

48417781 is an equidigital number, since it uses as much as digits as its factorization.

48417781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 40.

The square root of 48417781 is about 6958.2886545472. The cubic root of 48417781 is about 364.4754609738.

The spelling of 48417781 in words is "forty-eight million, four hundred seventeen thousand, seven hundred eighty-one".