1025384897 has 2 divisors, whose sum is σ = 1025384898. Its totient is φ = 1025384896.

The previous prime is 1025384887. The next prime is 1025384917. The reversal of 1025384897 is 7984835201.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544942336 + 480442561 = 23344^2 + 21919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025384897 - 2⁴ = 1025384881 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025384887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512692448 + 512692449.

It is an arithmetic number, because the mean of its divisors is an integer number (512692449).

Almost surely, 2^1025384897 is an apocalyptic number.

It is an amenable number.

1025384897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025384897 is an equidigital number, since it uses as much as digits as its factorization.

1025384897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1025384897 is about 32021.6317042090. The cubic root of 1025384897 is about 1008.3910260792.

The spelling of 1025384897 in words is "one billion, twenty-five million, three hundred eighty-four thousand, eight hundred ninety-seven".