1711400657 has 4 divisors (see below), whose sum is σ = 1711520100. Its totient is φ = 1711281216.

The previous prime is 1711400653. The next prime is 1711400671. The reversal of 1711400657 is 7560041171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7560041171 = 2069 ⋅3653959.

It can be written as a sum of positive squares in 2 ways, for example, as 1450771921 + 260628736 = 38089^2 + 16144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1711400657 - 2² = 1711400653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1711400653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34748 + ... + 68045.

It is an arithmetic number, because the mean of its divisors is an integer number (427880025).

Almost surely, 2^1711400657 is an apocalyptic number.

It is an amenable number.

1711400657 is a deficient number, since it is larger than the sum of its proper divisors (119443).

1711400657 is a wasteful number, since it uses less digits than its factorization.

1711400657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119442.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 1711400657 is about 41369.0785128216. The cubic root of 1711400657 is about 1196.1451897820.

The spelling of 1711400657 in words is "one billion, seven hundred eleven million, four hundred thousand, six hundred fifty-seven".