5251858 has 4 divisors (see below), whose sum is σ = 7877790. Its totient is φ = 2625928.

The previous prime is 5251819. The next prime is 5251859. The reversal of 5251858 is 8581525.

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 only one way, i.e., 4297329 + 954529 = 2073^2 + 977^2 .

It is not an unprimeable number, because it can be changed into a prime (5251859) 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 as a sum of consecutive naturals, namely, 1312963 + ... + 1312966.

Almost surely, 2^5251858 is an apocalyptic number.

5251858 is a deficient number, since it is larger than the sum of its proper divisors (2625932).

5251858 is a wasteful number, since it uses less digits than its factorization.

5251858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625931.

The product of its digits is 16000, while the sum is 34.

The square root of 5251858 is about 2291.6932604518. The cubic root of 5251858 is about 173.8218328658.

The spelling of 5251858 in words is "five million, two hundred fifty-one thousand, eight hundred fifty-eight".