2251585134 has 16 divisors (see below), whose sum is σ = 5003522640. Its totient is φ = 750528360.

The previous prime is 2251585129. The next prime is 2251585153. The reversal of 2251585134 is 4315851522.

2251585134 is a `hidden beast` number, since 2 + 2 + 515 + 8 + 5 + 134 = 666.

2251585134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20847957 + ... + 20848064.

It is an arithmetic number, because the mean of its divisors is an integer number (312720165).

Almost surely, 2^2251585134 is an apocalyptic number.

2251585134 is an abundant number, since it is smaller than the sum of its proper divisors (2751937506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251585134 is a wasteful number, since it uses less digits than its factorization.

2251585134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41696032 (or 41696026 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 2251585134 is about 47450.8707401666. The cubic root of 2251585134 is about 1310.6783453351.

The spelling of 2251585134 in words is "two billion, two hundred fifty-one million, five hundred eighty-five thousand, one hundred thirty-four".