52137277 has 2 divisors, whose sum is σ = 52137278. Its totient is φ = 52137276.

The previous prime is 52137269. The next prime is 52137287. The reversal of 52137277 is 77273125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 95481 = 7214^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 52137277 - 2³ = 52137269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52137247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26068638 + 26068639.

It is an arithmetic number, because the mean of its divisors is an integer number (26068639).

Almost surely, 2^52137277 is an apocalyptic number.

It is an amenable number.

52137277 is a deficient number, since it is larger than the sum of its proper divisors (1).

52137277 is an equidigital number, since it uses as much as digits as its factorization.

52137277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20580, while the sum is 34.

The square root of 52137277 is about 7220.6147245231. The cubic root of 52137277 is about 373.5792808757.

The spelling of 52137277 in words is "fifty-two million, one hundred thirty-seven thousand, two hundred seventy-seven".