39053881 has 2 divisors, whose sum is σ = 39053882. Its totient is φ = 39053880.

The previous prime is 39053869. The next prime is 39053899. The reversal of 39053881 is 18835093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38937600 + 116281 = 6240^2 + 341^2 .

It is a cyclic number.

It is not a de Polignac number, because 39053881 - 2⁷ = 39053753 is a prime.

It is a super-2 number, since 2×39053881² = 3050411242324322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39053881.

It is not a weakly prime, because it can be changed into another prime (39053821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19526940 + 19526941.

It is an arithmetic number, because the mean of its divisors is an integer number (19526941).

Almost surely, 2^39053881 is an apocalyptic number.

It is an amenable number.

39053881 is a deficient number, since it is larger than the sum of its proper divisors (1).

39053881 is an equidigital number, since it uses as much as digits as its factorization.

39053881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 39053881 is about 6249.3104419608. The cubic root of 39053881 is about 339.2772449689.

The spelling of 39053881 in words is "thirty-nine million, fifty-three thousand, eight hundred eighty-one".