61170001 has 2 divisors, whose sum is σ = 61170002. Its totient is φ = 61170000.

The previous prime is 61169993. The next prime is 61170017. The reversal of 61170001 is 10007116.

It is an a-pointer prime, because the next prime (61170017) can be obtained adding 61170001 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60528400 + 641601 = 7780^2 + 801^2 .

It is a cyclic number.

It is not a de Polignac number, because 61170001 - 2³ = 61169993 is a prime.

It is not a weakly prime, because it can be changed into another prime (61170061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30585000 + 30585001.

It is an arithmetic number, because the mean of its divisors is an integer number (30585001).

Almost surely, 2^61170001 is an apocalyptic number.

It is an amenable number.

61170001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61170001 is an equidigital number, since it uses as much as digits as its factorization.

61170001 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 61170001 is about 7821.1253026659. The cubic root of 61170001 is about 394.0150668051.

Adding to 61170001 its reverse (10007116), we get a palindrome (71177117).

The spelling of 61170001 in words is "sixty-one million, one hundred seventy thousand, one".