5231250551 has 4 divisors (see below), whose sum is σ = 5237355552. Its totient is φ = 5225145552.

The previous prime is 5231250539. The next prime is 5231250593. The reversal of 5231250551 is 1550521325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5231250551 - 2¹⁸ = 5230988407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231250151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3051215 + ... + 3052928.

It is an arithmetic number, because the mean of its divisors is an integer number (1309338888).

Almost surely, 2^5231250551 is an apocalyptic number.

5231250551 is a deficient number, since it is larger than the sum of its proper divisors (6105001).

5231250551 is an equidigital number, since it uses as much as digits as its factorization.

5231250551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105000.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 5231250551 is about 72327.3845165163. The cubic root of 5231250551 is about 1735.9418518425.

Adding to 5231250551 its reverse (1550521325), we get a palindrome (6781771876).

The spelling of 5231250551 in words is "five billion, two hundred thirty-one million, two hundred fifty thousand, five hundred fifty-one".