6252161 has 4 divisors (see below), whose sum is σ = 6322500. Its totient is φ = 6181824.

The previous prime is 6252151. The next prime is 6252163. The reversal of 6252161 is 1612526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1612526 = 2 ⋅806263.

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 5612161 = 800^2 + 2369^2 .

It is a cyclic number.

It is not a de Polignac number, because 6252161 - 2⁶ = 6252097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6252163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35036 + ... + 35213.

It is an arithmetic number, because the mean of its divisors is an integer number (1580625).

Almost surely, 2^6252161 is an apocalyptic number.

It is an amenable number.

6252161 is a deficient number, since it is larger than the sum of its proper divisors (70339).

6252161 is an equidigital number, since it uses as much as digits as its factorization.

6252161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70338.

The product of its digits is 720, while the sum is 23.

The square root of 6252161 is about 2500.4321626471. The cubic root of 6252161 is about 184.2228023312. Note that the first 3 decimals are identical.

Adding to 6252161 its reverse (1612526), we get a palindrome (7864687).

The spelling of 6252161 in words is "six million, two hundred fifty-two thousand, one hundred sixty-one".