5251431 has 8 divisors (see below), whose sum is σ = 7227904. Its totient is φ = 3387960.

The previous prime is 5251423. The next prime is 5251457. The reversal of 5251431 is 1341525.

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

It is not a de Polignac number, because 5251431 - 2³ = 5251423 is a prime.

It is a super-2 number, since 2×5251431² = 55155055095522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5251398 and 5251407.

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, 28141 + ... + 28326.

It is an arithmetic number, because the mean of its divisors is an integer number (903488).

Almost surely, 2^5251431 is an apocalyptic number.

5251431 is a deficient number, since it is larger than the sum of its proper divisors (1976473).

5251431 is a wasteful number, since it uses less digits than its factorization.

5251431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56501.

The product of its digits is 600, while the sum is 21.

The square root of 5251431 is about 2291.6000960028. The cubic root of 5251431 is about 173.8171219023.

Adding to 5251431 its reverse (1341525), we get a palindrome (6592956).

The spelling of 5251431 in words is "five million, two hundred fifty-one thousand, four hundred thirty-one".