2003541455 has 4 divisors (see below), whose sum is σ = 2404249752. Its totient is φ = 1602833160.

The previous prime is 2003541433. The next prime is 2003541467. The reversal of 2003541455 is 5541453002.

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

It is not a de Polignac number, because 2003541455 - 2⁶ = 2003541391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200354141 + ... + 200354150.

It is an arithmetic number, because the mean of its divisors is an integer number (601062438).

Almost surely, 2^2003541455 is an apocalyptic number.

2003541455 is a deficient number, since it is larger than the sum of its proper divisors (400708297).

2003541455 is an equidigital number, since it uses as much as digits as its factorization.

2003541455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400708296.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2003541455 is about 44760.9367082504. The cubic root of 2003541455 is about 1260.6642703373.

Adding to 2003541455 its reverse (5541453002), we get a palindrome (7544994457).

The spelling of 2003541455 in words is "two billion, three million, five hundred forty-one thousand, four hundred fifty-five".