51325453 has 2 divisors, whose sum is σ = 51325454. Its totient is φ = 51325452.

The previous prime is 51325433. The next prime is 51325471. The reversal of 51325453 is 35452315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47155689 + 4169764 = 6867^2 + 2042^2 .

It is a cyclic number.

It is not a de Polignac number, because 51325453 - 2⁹ = 51324941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51325423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25662726 + 25662727.

It is an arithmetic number, because the mean of its divisors is an integer number (25662727).

Almost surely, 2^51325453 is an apocalyptic number.

It is an amenable number.

51325453 is a deficient number, since it is larger than the sum of its proper divisors (1).

51325453 is an equidigital number, since it uses as much as digits as its factorization.

51325453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 28.

The square root of 51325453 is about 7164.1784595304. The cubic root of 51325453 is about 371.6301412177.

Adding to 51325453 its reverse (35452315), we get a palindrome (86777768).

It can be divided in two parts, 5132 and 5453, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 51325453 in words is "fifty-one million, three hundred twenty-five thousand, four hundred fifty-three".