61302001 has 2 divisors, whose sum is σ = 61302002. Its totient is φ = 61302000.

The previous prime is 61301993. The next prime is 61302013. The reversal of 61302001 is 10020316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61214976 + 87025 = 7824^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 61302001 - 2³ = 61301993 is a prime.

It is not a weakly prime, because it can be changed into another prime (61302091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30651000 + 30651001.

It is an arithmetic number, because the mean of its divisors is an integer number (30651001).

Almost surely, 2^61302001 is an apocalyptic number.

It is an amenable number.

61302001 is a deficient number, since it is larger than the sum of its proper divisors (1).

61302001 is an equidigital number, since it uses as much as digits as its factorization.

61302001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 61302001 is about 7829.5594384359. The cubic root of 61302001 is about 394.2982809167.

Adding to 61302001 its reverse (10020316), we get a palindrome (71322317).

The spelling of 61302001 in words is "sixty-one million, three hundred two thousand, one".