52725157 has 2 divisors, whose sum is σ = 52725158. Its totient is φ = 52725156.

The previous prime is 52725149. The next prime is 52725191. The reversal of 52725157 is 75152725.

It is an a-pointer prime, because the next prime (52725191) can be obtained adding 52725157 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27815076 + 24910081 = 5274^2 + 4991^2 .

It is a cyclic number.

It is not a de Polignac number, because 52725157 - 2³ = 52725149 is a prime.

It is a super-3 number, since 3×52725157³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52725107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26362578 + 26362579.

It is an arithmetic number, because the mean of its divisors is an integer number (26362579).

Almost surely, 2^52725157 is an apocalyptic number.

It is an amenable number.

52725157 is a deficient number, since it is larger than the sum of its proper divisors (1).

52725157 is an equidigital number, since it uses as much as digits as its factorization.

52725157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24500, while the sum is 34.

The square root of 52725157 is about 7261.2090591030. The cubic root of 52725157 is about 374.9781486527.

The spelling of 52725157 in words is "fifty-two million, seven hundred twenty-five thousand, one hundred fifty-seven".