1403315255 has 4 divisors (see below), whose sum is σ = 1683978312. Its totient is φ = 1122652200.

The previous prime is 1403315239. The next prime is 1403315257. The reversal of 1403315255 is 5525133041.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1403315255 - 2⁴ = 1403315239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403315257) 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, 140331521 + ... + 140331530.

It is an arithmetic number, because the mean of its divisors is an integer number (420994578).

Almost surely, 2^1403315255 is an apocalyptic number.

1403315255 is a deficient number, since it is larger than the sum of its proper divisors (280663057).

1403315255 is an equidigital number, since it uses as much as digits as its factorization.

1403315255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280663056.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1403315255 is about 37460.8496299804. The cubic root of 1403315255 is about 1119.5712790990.

Adding to 1403315255 its reverse (5525133041), we get a palindrome (6928448296).

The spelling of 1403315255 in words is "one billion, four hundred three million, three hundred fifteen thousand, two hundred fifty-five".