48131969 has 2 divisors, whose sum is σ = 48131970. Its totient is φ = 48131968.

The previous prime is 48131957. The next prime is 48131987. The reversal of 48131969 is 96913184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48121969 + 10000 = 6937^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 48131969 - 2¹² = 48127873 is a prime.

It is a super-2 number, since 2×48131969² = 4633372879633922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (48131269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24065984 + 24065985.

It is an arithmetic number, because the mean of its divisors is an integer number (24065985).

Almost surely, 2^48131969 is an apocalyptic number.

It is an amenable number.

48131969 is a deficient number, since it is larger than the sum of its proper divisors (1).

48131969 is an equidigital number, since it uses as much as digits as its factorization.

48131969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 48131969 is about 6937.7207352271. The cubic root of 48131969 is about 363.7568743362.

The spelling of 48131969 in words is "forty-eight million, one hundred thirty-one thousand, nine hundred sixty-nine".