1252308461 has 2 divisors, whose sum is σ = 1252308462. Its totient is φ = 1252308460.

The previous prime is 1252308443. The next prime is 1252308529. The reversal of 1252308461 is 1648032521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110555625 + 141752836 = 33325^2 + 11906^2 .

It is an emirp because it is prime and its reverse (1648032521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252308461 - 2⁶ = 1252308397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252308061) 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, 626154230 + 626154231.

It is an arithmetic number, because the mean of its divisors is an integer number (626154231).

Almost surely, 2^1252308461 is an apocalyptic number.

It is an amenable number.

1252308461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252308461 is an equidigital number, since it uses as much as digits as its factorization.

1252308461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1252308461 is about 35387.9705691072. The cubic root of 1252308461 is about 1077.8800610167.

The spelling of 1252308461 in words is "one billion, two hundred fifty-two million, three hundred eight thousand, four hundred sixty-one".