5251947 has 8 divisors (see below), whose sum is σ = 7067280. Its totient is φ = 3468960.

The previous prime is 5251933. The next prime is 5251949. The reversal of 5251947 is 7491525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5251947 - 2⁷ = 5251819 is a prime.

It is an Ulam number.

5251947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5251949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7704 + ... + 8357.

It is an arithmetic number, because the mean of its divisors is an integer number (883410).

Almost surely, 2^5251947 is an apocalyptic number.

5251947 is a deficient number, since it is larger than the sum of its proper divisors (1815333).

5251947 is a wasteful number, since it uses less digits than its factorization.

5251947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16173.

The product of its digits is 12600, while the sum is 33.

The square root of 5251947 is about 2291.7126783260. The cubic root of 5251947 is about 173.8228147441.

The spelling of 5251947 in words is "five million, two hundred fifty-one thousand, nine hundred forty-seven".