61550341 has 2 divisors, whose sum is σ = 61550342. Its totient is φ = 61550340.

The previous prime is 61550327. The next prime is 61550371. The reversal of 61550341 is 14305516.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42627841 + 18922500 = 6529^2 + 4350^2 .

It is a cyclic number.

It is not a de Polignac number, because 61550341 - 2¹³ = 61542149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61550311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30775170 + 30775171.

It is an arithmetic number, because the mean of its divisors is an integer number (30775171).

Almost surely, 2^61550341 is an apocalyptic number.

It is an amenable number.

61550341 is a deficient number, since it is larger than the sum of its proper divisors (1).

61550341 is an equidigital number, since it uses as much as digits as its factorization.

61550341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 61550341 is about 7845.4025390671. The cubic root of 61550341 is about 394.8300096401.

Adding to 61550341 its reverse (14305516), we get a palindrome (75855857).

The spelling of 61550341 in words is "sixty-one million, five hundred fifty thousand, three hundred forty-one".