60996581 has 2 divisors, whose sum is σ = 60996582. Its totient is φ = 60996580.

The previous prime is 60996569. The next prime is 60996641. The reversal of 60996581 is 18569906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60684100 + 312481 = 7790^2 + 559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60996581 is a prime.

It is a super-2 number, since 2×60996581² = 7441165787379122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60996281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30498290 + 30498291.

It is an arithmetic number, because the mean of its divisors is an integer number (30498291).

Almost surely, 2^60996581 is an apocalyptic number.

It is an amenable number.

60996581 is a deficient number, since it is larger than the sum of its proper divisors (1).

60996581 is an equidigital number, since it uses as much as digits as its factorization.

60996581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 60996581 is about 7810.0307937933. The cubic root of 60996581 is about 393.6423635915.

The spelling of 60996581 in words is "sixty million, nine hundred ninety-six thousand, five hundred eighty-one".