60865537 has 2 divisors, whose sum is σ = 60865538. Its totient is φ = 60865536.

The previous prime is 60865433. The next prime is 60865561. The reversal of 60865537 is 73556806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54110736 + 6754801 = 7356^2 + 2599^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60865537 is a prime.

It is a super-2 number, since 2×60865537² = 7409227188596738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60865537.

It is not a weakly prime, because it can be changed into another prime (60865837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30432768 + 30432769.

It is an arithmetic number, because the mean of its divisors is an integer number (30432769).

Almost surely, 2^60865537 is an apocalyptic number.

It is an amenable number.

60865537 is a deficient number, since it is larger than the sum of its proper divisors (1).

60865537 is an equidigital number, since it uses as much as digits as its factorization.

60865537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 60865537 is about 7801.6368154382. The cubic root of 60865537 is about 393.3602633258.

The spelling of 60865537 in words is "sixty million, eight hundred sixty-five thousand, five hundred thirty-seven".