1913028252 has 12 divisors (see below), whose sum is σ = 4463732616. Its totient is φ = 637676080.

The previous prime is 1913028251. The next prime is 1913028323. The reversal of 1913028252 is 2528203191.

It is a happy number.

1913028252 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913028251) 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, 79709499 + ... + 79709522.

It is an arithmetic number, because the mean of its divisors is an integer number (371977718).

Almost surely, 2^1913028252 is an apocalyptic number.

1913028252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1913028252 is an abundant number, since it is smaller than the sum of its proper divisors (2550704364).

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

1913028252 is a wasteful number, since it uses less digits than its factorization.

1913028252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159419028 (or 159419026 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1913028252 is about 43738.1784257186. The cubic root of 1913028252 is about 1241.3868138296.

The spelling of 1913028252 in words is "one billion, nine hundred thirteen million, twenty-eight thousand, two hundred fifty-two".