1025336149 has 2 divisors, whose sum is σ = 1025336150. Its totient is φ = 1025336148.

The previous prime is 1025336107. The next prime is 1025336219. The reversal of 1025336149 is 9416335201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910953124 + 114383025 = 30182^2 + 10695^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025336149 - 2¹⁹ = 1024811861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025336449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512668074 + 512668075.

It is an arithmetic number, because the mean of its divisors is an integer number (512668075).

Almost surely, 2^1025336149 is an apocalyptic number.

It is an amenable number.

1025336149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025336149 is an equidigital number, since it uses as much as digits as its factorization.

1025336149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1025336149 is about 32020.8705222079. The cubic root of 1025336149 is about 1008.3750457955.

The spelling of 1025336149 in words is "one billion, twenty-five million, three hundred thirty-six thousand, one hundred forty-nine".