61304371 has 2 divisors, whose sum is σ = 61304372. Its totient is φ = 61304370.

The previous prime is 61304359. The next prime is 61304377. The reversal of 61304371 is 17340316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61304371 - 2²¹ = 59207219 is a prime.

It is not a weakly prime, because it can be changed into another prime (61304377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30652185 + 30652186.

It is an arithmetic number, because the mean of its divisors is an integer number (30652186).

Almost surely, 2^61304371 is an apocalyptic number.

61304371 is a deficient number, since it is larger than the sum of its proper divisors (1).

61304371 is an equidigital number, since it uses as much as digits as its factorization.

61304371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 61304371 is about 7829.7107864850. The cubic root of 61304371 is about 394.3033621803.

Adding to 61304371 its reverse (17340316), we get a palindrome (78644687).

It can be divided in two parts, 6130 and 4371, that added together give a palindrome (10501).

The spelling of 61304371 in words is "sixty-one million, three hundred four thousand, three hundred seventy-one".