61526897 has 2 divisors, whose sum is σ = 61526898. Its totient is φ = 61526896.

The previous prime is 61526891. The next prime is 61526929. The reversal of 61526897 is 79862516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53597041 + 7929856 = 7321^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 61526897 - 2⁶ = 61526833 is a prime.

It is not a weakly prime, because it can be changed into another prime (61526891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30763448 + 30763449.

It is an arithmetic number, because the mean of its divisors is an integer number (30763449).

Almost surely, 2^61526897 is an apocalyptic number.

It is an amenable number.

61526897 is a deficient number, since it is larger than the sum of its proper divisors (1).

61526897 is an equidigital number, since it uses as much as digits as its factorization.

61526897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 61526897 is about 7843.9082733036. The cubic root of 61526897 is about 394.7798741463.

The spelling of 61526897 in words is "sixty-one million, five hundred twenty-six thousand, eight hundred ninety-seven".