65627537 has 2 divisors, whose sum is σ = 65627538. Its totient is φ = 65627536.

The previous prime is 65627509. The next prime is 65627561. The reversal of 65627537 is 73572656.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49434961 + 16192576 = 7031^2 + 4024^2 .

It is a cyclic number.

It is not a de Polignac number, because 65627537 - 2⁶ = 65627473 is a prime.

It is a super-2 number, since 2×65627537² = 8613947225372738, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65627494 and 65627503.

It is not a weakly prime, because it can be changed into another prime (65627567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32813768 + 32813769.

It is an arithmetic number, because the mean of its divisors is an integer number (32813769).

Almost surely, 2^65627537 is an apocalyptic number.

It is an amenable number.

65627537 is a deficient number, since it is larger than the sum of its proper divisors (1).

65627537 is an equidigital number, since it uses as much as digits as its factorization.

65627537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 41.

The square root of 65627537 is about 8101.0824585360. The cubic root of 65627537 is about 403.3623592404.

The spelling of 65627537 in words is "sixty-five million, six hundred twenty-seven thousand, five hundred thirty-seven".