61382071 has 2 divisors, whose sum is σ = 61382072. Its totient is φ = 61382070.

The previous prime is 61382063. The next prime is 61382081. The reversal of 61382071 is 17028316.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61382071 - 2³ = 61382063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61382011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30691035 + 30691036.

It is an arithmetic number, because the mean of its divisors is an integer number (30691036).

Almost surely, 2^61382071 is an apocalyptic number.

61382071 is a deficient number, since it is larger than the sum of its proper divisors (1).

61382071 is an equidigital number, since it uses as much as digits as its factorization.

61382071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 61382071 is about 7834.6710843532. The cubic root of 61382071 is about 394.4698779665.

The spelling of 61382071 in words is "sixty-one million, three hundred eighty-two thousand, seventy-one".