312769061 has 4 divisors (see below), whose sum is σ = 341202624. Its totient is φ = 284335500.

The previous prime is 312769049. The next prime is 312769063. The reversal of 312769061 is 160967213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160967213 = 11 ⋅14633383.

It is a cyclic number.

It is not a de Polignac number, because 312769061 - 2⁶ = 312768997 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 (312769063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14216765 + ... + 14216786.

It is an arithmetic number, because the mean of its divisors is an integer number (85300656).

Almost surely, 2^312769061 is an apocalyptic number.

It is an amenable number.

312769061 is a deficient number, since it is larger than the sum of its proper divisors (28433563).

312769061 is a wasteful number, since it uses less digits than its factorization.

312769061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28433562.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 312769061 is about 17685.2780865894. The cubic root of 312769061 is about 678.7991066583.

The spelling of 312769061 in words is "three hundred twelve million, seven hundred sixty-nine thousand, sixty-one".