52428637 has 2 divisors, whose sum is σ = 52428638. Its totient is φ = 52428636.

The previous prime is 52428617. The next prime is 52428659. The reversal of 52428637 is 73682425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51466276 + 962361 = 7174^2 + 981^2 .

It is a cyclic number.

It is not a de Polignac number, because 52428637 - 2¹⁵ = 52395869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52428596 and 52428605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52428617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26214318 + 26214319.

It is an arithmetic number, because the mean of its divisors is an integer number (26214319).

Almost surely, 2^52428637 is an apocalyptic number.

It is an amenable number.

52428637 is a deficient number, since it is larger than the sum of its proper divisors (1).

52428637 is an equidigital number, since it uses as much as digits as its factorization.

52428637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 37.

The square root of 52428637 is about 7240.7621836379. The cubic root of 52428637 is about 374.2738826207.

It can be divided in two parts, 524 and 28637, that added together give a triangular number (29161 = T₂₄₁).

The spelling of 52428637 in words is "fifty-two million, four hundred twenty-eight thousand, six hundred thirty-seven".