1365525564 has 24 divisors (see below), whose sum is σ = 3431321040. Its totient is φ = 420161664.

The previous prime is 1365525533. The next prime is 1365525569. The reversal of 1365525564 is 4655255631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365525569) 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, 4376529 + ... + 4376840.

It is an arithmetic number, because the mean of its divisors is an integer number (142971710).

Almost surely, 2^1365525564 is an apocalyptic number.

It is an amenable number.

1365525564 is an abundant number, since it is smaller than the sum of its proper divisors (2065795476).

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

1365525564 is a wasteful number, since it uses less digits than its factorization.

1365525564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8753389 (or 8753387 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 1365525564 is about 36953.0183340955. The cubic root of 1365525564 is about 1109.4301010881.

The spelling of 1365525564 in words is "one billion, three hundred sixty-five million, five hundred twenty-five thousand, five hundred sixty-four".