5251487 has 8 divisors (see below), whose sum is σ = 5580432. Its totient is φ = 4924800.

The previous prime is 5251481. The next prime is 5251507. The reversal of 5251487 is 7841525.

5251487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5251487 - 2⁶ = 5251423 is a prime.

It is a super-2 number, since 2×5251487² = 55156231422338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251481) 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, 8912 + ... + 9482.

It is an arithmetic number, because the mean of its divisors is an integer number (697554).

Almost surely, 2^5251487 is an apocalyptic number.

5251487 is a deficient number, since it is larger than the sum of its proper divisors (328945).

5251487 is a wasteful number, since it uses less digits than its factorization.

5251487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129.

The product of its digits is 11200, while the sum is 32.

The square root of 5251487 is about 2291.6123145070. The cubic root of 5251487 is about 173.8177397481.

The spelling of 5251487 in words is "five million, two hundred fifty-one thousand, four hundred eighty-seven".