366952561 has 4 divisors (see below), whose sum is σ = 368258724. Its totient is φ = 365646400.

The previous prime is 366952559. The next prime is 366952571. The reversal of 366952561 is 165259663.

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 248251536 + 118701025 = 15756^2 + 10895^2 .

It is a cyclic number.

It is not a de Polignac number, because 366952561 - 2¹ = 366952559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366952571) 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, 652660 + ... + 653221.

It is an arithmetic number, because the mean of its divisors is an integer number (92064681).

Almost surely, 2^366952561 is an apocalyptic number.

It is an amenable number.

366952561 is a deficient number, since it is larger than the sum of its proper divisors (1306163).

366952561 is a wasteful number, since it uses less digits than its factorization.

366952561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306162.

The product of its digits is 291600, while the sum is 43.

The square root of 366952561 is about 19156.0058728327. The cubic root of 366952561 is about 715.9290324520.

The spelling of 366952561 in words is "three hundred sixty-six million, nine hundred fifty-two thousand, five hundred sixty-one".