4252451069 has 2 divisors, whose sum is σ = 4252451070. Its totient is φ = 4252451068.

The previous prime is 4252451051. The next prime is 4252451081. The reversal of 4252451069 is 9601542524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4119970969 + 132480100 = 64187^2 + 11510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4252451069 is a prime.

It is a super-2 number, since 2×4252451069² = 36166680188478485522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4252451039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126225534 + 2126225535.

It is an arithmetic number, because the mean of its divisors is an integer number (2126225535).

Almost surely, 2^4252451069 is an apocalyptic number.

It is an amenable number.

4252451069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252451069 is an equidigital number, since it uses as much as digits as its factorization.

4252451069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 4252451069 is about 65210.8201834634. The cubic root of 4252451069 is about 1620.1172334253.

The spelling of 4252451069 in words is "four billion, two hundred fifty-two million, four hundred fifty-one thousand, sixty-nine".