61141897 has 2 divisors, whose sum is σ = 61141898. Its totient is φ = 61141896.

The previous prime is 61141891. The next prime is 61141907. The reversal of 61141897 is 79814116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59923081 + 1218816 = 7741^2 + 1104^2 .

It is a cyclic number.

It is not a de Polignac number, because 61141897 - 2¹¹ = 61139849 is a prime.

It is not a weakly prime, because it can be changed into another prime (61141891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30570948 + 30570949.

It is an arithmetic number, because the mean of its divisors is an integer number (30570949).

Almost surely, 2^61141897 is an apocalyptic number.

It is an amenable number.

61141897 is a deficient number, since it is larger than the sum of its proper divisors (1).

61141897 is an equidigital number, since it uses as much as digits as its factorization.

61141897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 37.

The square root of 61141897 is about 7819.3284238482. The cubic root of 61141897 is about 393.9547153499.

The spelling of 61141897 in words is "sixty-one million, one hundred forty-one thousand, eight hundred ninety-seven".