61953371 has 2 divisors, whose sum is σ = 61953372. Its totient is φ = 61953370.

The previous prime is 61953361. The next prime is 61953373. The reversal of 61953371 is 17335916.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61953371 is a prime.

Together with 61953373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61953373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30976685 + 30976686.

It is an arithmetic number, because the mean of its divisors is an integer number (30976686).

Almost surely, 2^61953371 is an apocalyptic number.

61953371 is a deficient number, since it is larger than the sum of its proper divisors (1).

61953371 is an equidigital number, since it uses as much as digits as its factorization.

61953371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 35.

The square root of 61953371 is about 7871.0463726242. The cubic root of 61953371 is about 395.6899142942.

The spelling of 61953371 in words is "sixty-one million, nine hundred fifty-three thousand, three hundred seventy-one".