2251574534 has 12 divisors (see below), whose sum is σ = 3712307172. Its totient is φ = 1023442860.

The previous prime is 2251574531. The next prime is 2251574543. The reversal of 2251574534 is 4354751522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251574531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4651772 + ... + 4652255.

It is an arithmetic number, because the mean of its divisors is an integer number (309358931).

Almost surely, 2^2251574534 is an apocalyptic number.

2251574534 is a deficient number, since it is larger than the sum of its proper divisors (1460732638).

2251574534 is a wasteful number, since it uses less digits than its factorization.

2251574534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9304051 (or 9304040 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 2251574534 is about 47450.7590455622. The cubic root of 2251574534 is about 1310.6762885305.

The spelling of 2251574534 in words is "two billion, two hundred fifty-one million, five hundred seventy-four thousand, five hundred thirty-four".