312535061 has 4 divisors (see below), whose sum is σ = 315300972. Its totient is φ = 309769152.

The previous prime is 312535057. The next prime is 312535081. The reversal of 312535061 is 160535213.

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 102111025 + 210424036 = 10105^2 + 14506^2 .

It is a cyclic number.

It is not a de Polignac number, because 312535061 - 2² = 312535057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312535061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312535031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382786 + ... + 1383011.

It is an arithmetic number, because the mean of its divisors is an integer number (78825243).

Almost surely, 2^312535061 is an apocalyptic number.

It is an amenable number.

312535061 is a deficient number, since it is larger than the sum of its proper divisors (2765911).

312535061 is a wasteful number, since it uses less digits than its factorization.

312535061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765910.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 312535061 is about 17678.6611766842. The cubic root of 312535061 is about 678.6297819186.

The spelling of 312535061 in words is "three hundred twelve million, five hundred thirty-five thousand, sixty-one".