1565054412 has 24 divisors (see below), whose sum is σ = 3810567936. Its totient is φ = 499002768.

The previous prime is 1565054411. The next prime is 1565054431. The reversal of 1565054412 is 2144505651.

It is not an unprimeable number, because it can be changed into a prime (1565054411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834968 + ... + 2835519.

It is an arithmetic number, because the mean of its divisors is an integer number (158773664).

Almost surely, 2^1565054412 is an apocalyptic number.

1565054412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1565054412 is an abundant number, since it is smaller than the sum of its proper divisors (2245513524).

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

1565054412 is a wasteful number, since it uses less digits than its factorization.

1565054412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670517 (or 5670515 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The square root of 1565054412 is about 39560.7685971848. The cubic root of 1565054412 is about 1161.0292124013.

The spelling of 1565054412 in words is "one billion, five hundred sixty-five million, fifty-four thousand, four hundred twelve".