53251031 has 2 divisors, whose sum is σ = 53251032. Its totient is φ = 53251030.

The previous prime is 53251013. The next prime is 53251069. The reversal of 53251031 is 13015235.

Together with previous prime (53251013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53251031 - 2¹⁴ = 53234647 is a prime.

It is a super-2 number, since 2×53251031² = 5671344605125922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53250994 and 53251012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53250031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26625515 + 26625516.

It is an arithmetic number, because the mean of its divisors is an integer number (26625516).

Almost surely, 2^53251031 is an apocalyptic number.

53251031 is a deficient number, since it is larger than the sum of its proper divisors (1).

53251031 is an equidigital number, since it uses as much as digits as its factorization.

53251031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 53251031 is about 7297.3304022773. The cubic root of 53251031 is about 376.2206882166.

Adding to 53251031 its reverse (13015235), we get a palindrome (66266266).

The spelling of 53251031 in words is "fifty-three million, two hundred fifty-one thousand, thirty-one".