61351711 has 2 divisors, whose sum is σ = 61351712. Its totient is φ = 61351710.

The previous prime is 61351673. The next prime is 61351727. The reversal of 61351711 is 11715316.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61351711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61351781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675855 + 30675856.

It is an arithmetic number, because the mean of its divisors is an integer number (30675856).

Almost surely, 2^61351711 is an apocalyptic number.

61351711 is a deficient number, since it is larger than the sum of its proper divisors (1).

61351711 is an equidigital number, since it uses as much as digits as its factorization.

61351711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 25.

The square root of 61351711 is about 7832.7333032601. The cubic root of 61351711 is about 394.4048313911.

The spelling of 61351711 in words is "sixty-one million, three hundred fifty-one thousand, seven hundred eleven".