771412601 has 4 divisors (see below), whose sum is σ = 773877492. Its totient is φ = 768947712.

The previous prime is 771412589. The next prime is 771412619. The reversal of 771412601 is 106214177.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243516025 + 527896576 = 15605^2 + 22976^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-771412601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (771412651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231976 + ... + 1232601.

It is an arithmetic number, because the mean of its divisors is an integer number (193469373).

Almost surely, 2^771412601 is an apocalyptic number.

It is an amenable number.

771412601 is a deficient number, since it is larger than the sum of its proper divisors (2464891).

771412601 is a wasteful number, since it uses less digits than its factorization.

771412601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464890.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 771412601 is about 27774.3154911152. The cubic root of 771412601 is about 917.1257972073.

Adding to 771412601 its reverse (106214177), we get a palindrome (877626778).

The spelling of 771412601 in words is "seven hundred seventy-one million, four hundred twelve thousand, six hundred one".