63676537 has 2 divisors, whose sum is σ = 63676538. Its totient is φ = 63676536.

The previous prime is 63676499. The next prime is 63676541. The reversal of 63676537 is 73567636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 31595641 = 5664^2 + 5621^2 .

It is a cyclic number.

It is not a de Polignac number, because 63676537 - 2¹¹ = 63674489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63676493 and 63676502.

It is not a weakly prime, because it can be changed into another prime (63676597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31838268 + 31838269.

It is an arithmetic number, because the mean of its divisors is an integer number (31838269).

Almost surely, 2^63676537 is an apocalyptic number.

It is an amenable number.

63676537 is a deficient number, since it is larger than the sum of its proper divisors (1).

63676537 is an equidigital number, since it uses as much as digits as its factorization.

63676537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 43.

The square root of 63676537 is about 7979.7579537227. The cubic root of 63676537 is about 399.3249802617.

The spelling of 63676537 in words is "sixty-three million, six hundred seventy-six thousand, five hundred thirty-seven".