1405253303 has 8 divisors (see below), whose sum is σ = 1528129872. Its totient is φ = 1286845056.

The previous prime is 1405253273. The next prime is 1405253321. The reversal of 1405253303 is 3033525041.

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

It is not a de Polignac number, because 1405253303 - 2¹⁰ = 1405252279 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 (1405253383) 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, 1116425 + ... + 1117682.

It is an arithmetic number, because the mean of its divisors is an integer number (191016234).

Almost surely, 2^1405253303 is an apocalyptic number.

1405253303 is a deficient number, since it is larger than the sum of its proper divisors (122876569).

1405253303 is a wasteful number, since it uses less digits than its factorization.

1405253303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234161.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 1405253303 is about 37486.7083510943. The cubic root of 1405253303 is about 1120.0864365157.

Adding to 1405253303 its reverse (3033525041), we get a palindrome (4438778344).

The spelling of 1405253303 in words is "one billion, four hundred five million, two hundred fifty-three thousand, three hundred three".