6252451409 has 4 divisors (see below), whose sum is σ = 6252628404. Its totient is φ = 6252274416.

The previous prime is 6252451357. The next prime is 6252451423. The reversal of 6252451409 is 9041542526.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1082410000 + 5170041409 = 32900^2 + 71903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6252451409 is a prime.

It is a super-3 number, since 3×6252451409³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6252451489) 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 in 3 ways as a sum of consecutive naturals, for example, 15362 + ... + 112875.

It is an arithmetic number, because the mean of its divisors is an integer number (1563157101).

Almost surely, 2^6252451409 is an apocalyptic number.

It is an amenable number.

6252451409 is a deficient number, since it is larger than the sum of its proper divisors (176995).

6252451409 is a wasteful number, since it uses less digits than its factorization.

6252451409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176994.

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

The square root of 6252451409 is about 79072.4440560680. Note that the first 3 decimals coincide. The cubic root of 6252451409 is about 1842.2565463200.

The spelling of 6252451409 in words is "six billion, two hundred fifty-two million, four hundred fifty-one thousand, four hundred nine".