48497489 has 2 divisors, whose sum is σ = 48497490. Its totient is φ = 48497488.

The previous prime is 48497459. The next prime is 48497521. The reversal of 48497489 is 98479484.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 15054400 = 5783^2 + 3880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48497489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 48497489.

It is not a weakly prime, because it can be changed into another prime (48497459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24248744 + 24248745.

It is an arithmetic number, because the mean of its divisors is an integer number (24248745).

Almost surely, 2^48497489 is an apocalyptic number.

It is an amenable number.

48497489 is a deficient number, since it is larger than the sum of its proper divisors (1).

48497489 is an equidigital number, since it uses as much as digits as its factorization.

48497489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 53.

The square root of 48497489 is about 6964.0138569650. The cubic root of 48497489 is about 364.6753578016.

The spelling of 48497489 in words is "forty-eight million, four hundred ninety-seven thousand, four hundred eighty-nine".