2251542134 has 8 divisors (see below), whose sum is σ = 3377515440. Its totient is φ = 1125703656.

The previous prime is 2251542127. The next prime is 2251542149. The reversal of 2251542134 is 4312451522.

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

It is a junction number, because it is equal to n+sod(n) for n = 2251542097 and 2251542106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42527 + ... + 79445.

It is an arithmetic number, because the mean of its divisors is an integer number (422189430).

Almost surely, 2^2251542134 is an apocalyptic number.

2251542134 is a deficient number, since it is larger than the sum of its proper divisors (1125973306).

2251542134 is a wasteful number, since it uses less digits than its factorization.

2251542134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67414.

The product of its digits is 9600, while the sum is 29.

The square root of 2251542134 is about 47450.4176377827. The cubic root of 2251542134 is about 1310.6700016537.

Adding to 2251542134 its reverse (4312451522), we get a palindrome (6563993656).

The spelling of 2251542134 in words is "two billion, two hundred fifty-one million, five hundred forty-two thousand, one hundred thirty-four".