4251969 has 12 divisors (see below), whose sum is σ = 6285136. Its totient is φ = 2768472.

The previous prime is 4251967. The next prime is 4251971. The reversal of 4251969 is 9691524.

It is an interprime number because it is at equal distance from previous prime (4251967) and next prime (4251971).

It is not a de Polignac number, because 4251969 - 2¹ = 4251967 is a prime.

It is a super-2 number, since 2×4251969² = 36158480753922, which contains 22 as substring.

It is a Duffinian number.

4251969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4251967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5107 + ... + 5880.

Almost surely, 2^4251969 is an apocalyptic number.

It is an amenable number.

4251969 is a deficient number, since it is larger than the sum of its proper divisors (2033167).

4251969 is a wasteful number, since it uses less digits than its factorization.

4251969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11036 (or 11033 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 4251969 is about 2062.0303101555. The cubic root of 4251969 is about 162.0056010866.

The spelling of 4251969 in words is "four million, two hundred fifty-one thousand, nine hundred sixty-nine".