2251394052 has 12 divisors (see below), whose sum is σ = 5253252816. Its totient is φ = 750464680.

The previous prime is 2251394029. The next prime is 2251394053. The reversal of 2251394052 is 2504931522.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2251394053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93808074 + ... + 93808097.

It is an arithmetic number, because the mean of its divisors is an integer number (437771068).

Almost surely, 2^2251394052 is an apocalyptic number.

It is an amenable number.

2251394052 is an abundant number, since it is smaller than the sum of its proper divisors (3001858764).

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

2251394052 is a wasteful number, since it uses less digits than its factorization.

2251394052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187616178 (or 187616176 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 2251394052 is about 47448.8572254380. The cubic root of 2251394052 is about 1310.6412671421.

The spelling of 2251394052 in words is "two billion, two hundred fifty-one million, three hundred ninety-four thousand, fifty-two".