711612061 has 8 divisors (see below), whose sum is σ = 755854200. Its totient is φ = 667634688.

The previous prime is 711611983. The next prime is 711612107. The reversal of 711612061 is 160216117.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 71825625 + 639786436 = 8475^2 + 25294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 711612061 - 2⁷ = 711611933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711615061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60636 + ... + 71413.

It is an arithmetic number, because the mean of its divisors is an integer number (94481775).

Almost surely, 2^711612061 is an apocalyptic number.

It is an amenable number.

711612061 is a deficient number, since it is larger than the sum of its proper divisors (44242139).

711612061 is a wasteful number, since it uses less digits than its factorization.

711612061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132383.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 711612061 is about 26676.0578234491. The cubic root of 711612061 is about 892.7868128045.

Adding to 711612061 its reverse (160216117), we get a palindrome (871828178).

The spelling of 711612061 in words is "seven hundred eleven million, six hundred twelve thousand, sixty-one".