48497909 has 2 divisors, whose sum is σ = 48497910. Its totient is φ = 48497908.

The previous prime is 48497893. The next prime is 48497927. The reversal of 48497909 is 90979484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 3648100 = 6697^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 48497909 - 2⁴ = 48497893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48497929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24248954 + 24248955.

It is an arithmetic number, because the mean of its divisors is an integer number (24248955).

Almost surely, 2^48497909 is an apocalyptic number.

It is an amenable number.

48497909 is a deficient number, since it is larger than the sum of its proper divisors (1).

48497909 is an equidigital number, since it uses as much as digits as its factorization.

48497909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 48497909 is about 6964.0440119230. The cubic root of 48497909 is about 364.6764105242.

The spelling of 48497909 in words is "forty-eight million, four hundred ninety-seven thousand, nine hundred nine".