713654981 has 4 divisors (see below), whose sum is σ = 768551532. Its totient is φ = 658758432.

The previous prime is 713654969. The next prime is 713654993. The reversal of 713654981 is 189456317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 189456317 = 37 ⋅5120441.

It is an interprime number because it is at equal distance from previous prime (713654969) and next prime (713654993).

It can be written as a sum of positive squares in 2 ways, for example, as 352312900 + 361342081 = 18770^2 + 19009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-713654981 is a prime.

It is a super-2 number, since 2×713654981² = 1018606863812220722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (713654941) 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, 27448256 + ... + 27448281.

It is an arithmetic number, because the mean of its divisors is an integer number (192137883).

Almost surely, 2^713654981 is an apocalyptic number.

It is an amenable number.

713654981 is a deficient number, since it is larger than the sum of its proper divisors (54896551).

713654981 is a wasteful number, since it uses less digits than its factorization.

713654981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54896550.

The product of its digits is 181440, while the sum is 44.

The square root of 713654981 is about 26714.3216458887. The cubic root of 713654981 is about 893.6403440800.

The spelling of 713654981 in words is "seven hundred thirteen million, six hundred fifty-four thousand, nine hundred eighty-one".