52637251 has 2 divisors, whose sum is σ = 52637252. Its totient is φ = 52637250.

The previous prime is 52637243. The next prime is 52637257. The reversal of 52637251 is 15273625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52637251 - 2³ = 52637243 is a prime.

It is not a weakly prime, because it can be changed into another prime (52637257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26318625 + 26318626.

It is an arithmetic number, because the mean of its divisors is an integer number (26318626).

Almost surely, 2^52637251 is an apocalyptic number.

52637251 is a deficient number, since it is larger than the sum of its proper divisors (1).

52637251 is an equidigital number, since it uses as much as digits as its factorization.

52637251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 52637251 is about 7255.1534098184. The cubic root of 52637251 is about 374.7696386669.

The spelling of 52637251 in words is "fifty-two million, six hundred thirty-seven thousand, two hundred fifty-one".