52140157 has 2 divisors, whose sum is σ = 52140158. Its totient is φ = 52140156.

The previous prime is 52140133. The next prime is 52140163. The reversal of 52140157 is 75104125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43811161 + 8328996 = 6619^2 + 2886^2 .

It is a cyclic number.

It is not a de Polignac number, because 52140157 - 2¹⁹ = 51615869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52140457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26070078 + 26070079.

It is an arithmetic number, because the mean of its divisors is an integer number (26070079).

Almost surely, 2^52140157 is an apocalyptic number.

It is an amenable number.

52140157 is a deficient number, since it is larger than the sum of its proper divisors (1).

52140157 is an equidigital number, since it uses as much as digits as its factorization.

52140157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 52140157 is about 7220.8141507728. The cubic root of 52140157 is about 373.5861594380.

The spelling of 52140157 in words is "fifty-two million, one hundred forty thousand, one hundred fifty-seven".