2153532454 has 8 divisors (see below), whose sum is σ = 3237276960. Its totient is φ = 1074440136.

The previous prime is 2153532439. The next prime is 2153532461. The reversal of 2153532454 is 4542353512.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161889 + ... + 1163740.

It is an arithmetic number, because the mean of its divisors is an integer number (404659620).

Almost surely, 2^2153532454 is an apocalyptic number.

2153532454 is a deficient number, since it is larger than the sum of its proper divisors (1083744506).

2153532454 is a wasteful number, since it uses less digits than its factorization.

2153532454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326094.

The product of its digits is 72000, while the sum is 34.

The square root of 2153532454 is about 46406.1682753489. The cubic root of 2153532454 is about 1291.3693477443.

Adding to 2153532454 its reverse (4542353512), we get a palindrome (6695885966).

The spelling of 2153532454 in words is "two billion, one hundred fifty-three million, five hundred thirty-two thousand, four hundred fifty-four".