61710001 has 2 divisors, whose sum is σ = 61710002. Its totient is φ = 61710000.

The previous prime is 61709987. The next prime is 61710059. The reversal of 61710001 is 10001716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53875600 + 7834401 = 7340^2 + 2799^2 .

It is a cyclic number.

It is not a de Polignac number, because 61710001 - 2⁷ = 61709873 is a prime.

It is not a weakly prime, because it can be changed into another prime (61719001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30855000 + 30855001.

It is an arithmetic number, because the mean of its divisors is an integer number (30855001).

Almost surely, 2^61710001 is an apocalyptic number.

It is an amenable number.

61710001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61710001 is an equidigital number, since it uses as much as digits as its factorization.

61710001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 61710001 is about 7855.5713350462. The cubic root of 61710001 is about 395.1711078368.

Adding to 61710001 its reverse (10001716), we get a palindrome (71711717).

The spelling of 61710001 in words is "sixty-one million, seven hundred ten thousand, one".