61001371 has 2 divisors, whose sum is σ = 61001372. Its totient is φ = 61001370.

The previous prime is 61001363. The next prime is 61001383. The reversal of 61001371 is 17310016.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61001371 - 2³ = 61001363 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61001971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30500685 + 30500686.

It is an arithmetic number, because the mean of its divisors is an integer number (30500686).

Almost surely, 2^61001371 is an apocalyptic number.

61001371 is a deficient number, since it is larger than the sum of its proper divisors (1).

61001371 is an equidigital number, since it uses as much as digits as its factorization.

61001371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 61001371 is about 7810.3374446947. The cubic root of 61001371 is about 393.6526674344.

Adding to 61001371 its reverse (17310016), we get a palindrome (78311387).

The spelling of 61001371 in words is "sixty-one million, one thousand, three hundred seventy-one".