2153331403 has 8 divisors (see below), whose sum is σ = 2228688000. Its totient is φ = 2078048448.

The previous prime is 2153331391. The next prime is 2153331407. The reversal of 2153331403 is 3041333512.

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 2153331403 - 2⁵ = 2153331371 is a prime.

It is a super-2 number, since 2×2153331403² = 9273672262291896818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2153331407) 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, 44823 + ... + 79471.

It is an arithmetic number, because the mean of its divisors is an integer number (278586000).

Almost surely, 2^2153331403 is an apocalyptic number.

2153331403 is a deficient number, since it is larger than the sum of its proper divisors (75356597).

2153331403 is a wasteful number, since it uses less digits than its factorization.

2153331403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36821.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 2153331403 is about 46404.0020149125. The cubic root of 2153331403 is about 1291.3291596372.

Adding to 2153331403 its reverse (3041333512), we get a palindrome (5194664915).

The spelling of 2153331403 in words is "two billion, one hundred fifty-three million, three hundred thirty-one thousand, four hundred three".