1025400024773 has 2 divisors, whose sum is σ = 1025400024774. Its totient is φ = 1025400024772.

The previous prime is 1025400024757. The next prime is 1025400024811. The reversal of 1025400024773 is 3774200045201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024048874209 + 1351150564 = 1011953^2 + 36758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025400024773 - 2⁴ = 1025400024757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025400024673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512700012386 + 512700012387.

It is an arithmetic number, because the mean of its divisors is an integer number (512700012387).

Almost surely, 2^{1025400024773} is an apocalyptic number.

It is an amenable number.

1025400024773 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025400024773 is an equidigital number, since it uses as much as digits as its factorization.

1025400024773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

Adding to 1025400024773 its reverse (3774200045201), we get a palindrome (4799600069974).

The spelling of 1025400024773 in words is "one trillion, twenty-five billion, four hundred million, twenty-four thousand, seven hundred seventy-three".