61458050201 has 2 divisors, whose sum is σ = 61458050202. Its totient is φ = 61458050200.

The previous prime is 61458050179. The next prime is 61458050231. The reversal of 61458050201 is 10205085416.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50579560201 + 10878490000 = 224899^2 + 104300^2 .

It is a cyclic number.

It is not a de Polignac number, because 61458050201 - 2³⁰ = 60384308377 is a prime.

It is a super-2 number, since 2×61458050201² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61458050231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30729025100 + 30729025101.

It is an arithmetic number, because the mean of its divisors is an integer number (30729025101).

Almost surely, 2^61458050201 is an apocalyptic number.

It is an amenable number.

61458050201 is a deficient number, since it is larger than the sum of its proper divisors (1).

61458050201 is an equidigital number, since it uses as much as digits as its factorization.

61458050201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 61458050201 in words is "sixty-one billion, four hundred fifty-eight million, fifty thousand, two hundred one".