403341561 has 12 divisors (see below), whose sum is σ = 665833792. Its totient is φ = 230480856.

The previous prime is 403341517. The next prime is 403341569. The reversal of 403341561 is 165143304.

It is not a de Polignac number, because 403341561 - 2¹⁰ = 403340537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403341569) 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 11 ways as a sum of consecutive naturals, for example, 3201061 + ... + 3201186.

Almost surely, 2^403341561 is an apocalyptic number.

It is an amenable number.

403341561 is a deficient number, since it is larger than the sum of its proper divisors (262492231).

403341561 is a wasteful number, since it uses less digits than its factorization.

403341561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402260 (or 6402257 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 403341561 is about 20083.3652807491. The cubic root of 403341561 is about 738.8523487595.

Adding to 403341561 its reverse (165143304), we get a palindrome (568484865).

The spelling of 403341561 in words is "four hundred three million, three hundred forty-one thousand, five hundred sixty-one".