283563401 has 4 divisors (see below), whose sum is σ = 309341904. Its totient is φ = 257784900.

The previous prime is 283563377. The next prime is 283563403. The reversal of 283563401 is 104365382.

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.

It is a cyclic number.

It is not a de Polignac number, because 283563401 - 2⁶ = 283563337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (283563403) 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, 12889235 + ... + 12889256.

It is an arithmetic number, because the mean of its divisors is an integer number (77335476).

Almost surely, 2^283563401 is an apocalyptic number.

It is an amenable number.

283563401 is a deficient number, since it is larger than the sum of its proper divisors (25778503).

283563401 is a wasteful number, since it uses less digits than its factorization.

283563401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25778502.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 283563401 is about 16839.3408718988. The cubic root of 283563401 is about 656.9768383900.

The spelling of 283563401 in words is "two hundred eighty-three million, five hundred sixty-three thousand, four hundred one".