61350349 has 2 divisors, whose sum is σ = 61350350. Its totient is φ = 61350348.

The previous prime is 61350343. The next prime is 61350371. The reversal of 61350349 is 94305316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 7327849 = 7350^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 61350349 - 2²¹ = 59253197 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61350349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61350343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675174 + 30675175.

It is an arithmetic number, because the mean of its divisors is an integer number (30675175).

Almost surely, 2^61350349 is an apocalyptic number.

It is an amenable number.

61350349 is a deficient number, since it is larger than the sum of its proper divisors (1).

61350349 is an equidigital number, since it uses as much as digits as its factorization.

61350349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 61350349 is about 7832.6463599476. The cubic root of 61350349 is about 394.4019127909.

The spelling of 61350349 in words is "sixty-one million, three hundred fifty thousand, three hundred forty-nine".