5251378 has 16 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 2304400.

The previous prime is 5251361. The next prime is 5251409. The reversal of 5251378 is 8731525.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3478 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (555660).

Almost surely, 2^5251378 is an apocalyptic number.

5251378 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5251378 is a deficient number, since it is larger than the sum of its proper divisors (3639182).

5251378 is a wasteful number, since it uses less digits than its factorization.

5251378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8273.

The product of its digits is 8400, while the sum is 31.

The square root of 5251378 is about 2291.5885320013. The cubic root of 5251378 is about 173.8165371513.

The spelling of 5251378 in words is "five million, two hundred fifty-one thousand, three hundred seventy-eight".