61470001 has 2 divisors, whose sum is σ = 61470002. Its totient is φ = 61470000.

The previous prime is 61469999. The next prime is 61470023. The reversal of 61470001 is 10007416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61214976 + 255025 = 7824^2 + 505^2 .

It is a cyclic number.

It is not a de Polignac number, because 61470001 - 2¹ = 61469999 is a prime.

It is a super-2 number, since 2×61470001² = 7557122045880002, which contains 22 as substring.

Together with 61469999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (61470701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30735000 + 30735001.

It is an arithmetic number, because the mean of its divisors is an integer number (30735001).

Almost surely, 2^61470001 is an apocalyptic number.

It is an amenable number.

61470001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61470001 is an equidigital number, since it uses as much as digits as its factorization.

61470001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 61470001 is about 7840.2806709964. The cubic root of 61470001 is about 394.6581478554.

Adding to 61470001 its reverse (10007416), we get a palindrome (71477417).

The spelling of 61470001 in words is "sixty-one million, four hundred seventy thousand, one".