61082797 has 2 divisors, whose sum is σ = 61082798. Its totient is φ = 61082796.

The previous prime is 61082789. The next prime is 61082807. The reversal of 61082797 is 79728016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52620516 + 8462281 = 7254^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 61082797 - 2³ = 61082789 is a prime.

It is a super-2 number, since 2×61082797² = 7462216178686418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61082737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30541398 + 30541399.

It is an arithmetic number, because the mean of its divisors is an integer number (30541399).

Almost surely, 2^61082797 is an apocalyptic number.

It is an amenable number.

61082797 is a deficient number, since it is larger than the sum of its proper divisors (1).

61082797 is an equidigital number, since it uses as much as digits as its factorization.

61082797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 61082797 is about 7815.5484132593. The cubic root of 61082797 is about 393.8277417002.

The spelling of 61082797 in words is "sixty-one million, eighty-two thousand, seven hundred ninety-seven".