1252851953 has 2 divisors, whose sum is σ = 1252851954. Its totient is φ = 1252851952.

The previous prime is 1252851947. The next prime is 1252851959. The reversal of 1252851953 is 3591582521.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1252851947) and next prime (1252851959).

It can be written as a sum of positive squares in only one way, i.e., 1042514944 + 210337009 = 32288^2 + 14503^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252851953 - 2⁴ = 1252851937 is a prime.

It is a super-2 number, since 2×1252851953² = 3139276032271828418, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1252851953.

It is not a weakly prime, because it can be changed into another prime (1252851959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626425976 + 626425977.

It is an arithmetic number, because the mean of its divisors is an integer number (626425977).

Almost surely, 2^1252851953 is an apocalyptic number.

It is an amenable number.

1252851953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252851953 is an equidigital number, since it uses as much as digits as its factorization.

1252851953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 41.

The square root of 1252851953 is about 35395.6487862562. The cubic root of 1252851953 is about 1078.0359689477.

The spelling of 1252851953 in words is "one billion, two hundred fifty-two million, eight hundred fifty-one thousand, nine hundred fifty-three".