756105061 has 2 divisors, whose sum is σ = 756105062. Its totient is φ = 756105060.

The previous prime is 756105047. The next prime is 756105071. The reversal of 756105061 is 160501657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600005025 + 156100036 = 24495^2 + 12494^2 .

It is an emirp because it is prime and its reverse (160501657) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 756105061 - 2⁵ = 756105029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (756105071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378052530 + 378052531.

It is an arithmetic number, because the mean of its divisors is an integer number (378052531).

Almost surely, 2^756105061 is an apocalyptic number.

It is an amenable number.

756105061 is a deficient number, since it is larger than the sum of its proper divisors (1).

756105061 is an equidigital number, since it uses as much as digits as its factorization.

756105061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 756105061 is about 27497.3646191776. The cubic root of 756105061 is about 911.0188889565.

The spelling of 756105061 in words is "seven hundred fifty-six million, one hundred five thousand, sixty-one".