1403255713 has 8 divisors (see below), whose sum is σ = 1423686888. Its totient is φ = 1382857344.

The previous prime is 1403255677. The next prime is 1403255717. The reversal of 1403255713 is 3175523041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 712249344 + 691006369 = 26688^2 + 26287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1403255713 - 2⁹ = 1403255201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403255717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85695 + ... + 100747.

It is an arithmetic number, because the mean of its divisors is an integer number (177960861).

Almost surely, 2^1403255713 is an apocalyptic number.

It is an amenable number.

1403255713 is a deficient number, since it is larger than the sum of its proper divisors (20431175).

1403255713 is a wasteful number, since it uses less digits than its factorization.

1403255713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16403.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1403255713 is about 37460.0548985182. The cubic root of 1403255713 is about 1119.5554445824. Note that the first 3 decimals are identical.

Adding to 1403255713 its reverse (3175523041), we get a palindrome (4578778754).

The spelling of 1403255713 in words is "one billion, four hundred three million, two hundred fifty-five thousand, seven hundred thirteen".