1363252005 has 64 divisors (see below), whose sum is σ = 2514673920. Its totient is φ = 700213248.

The previous prime is 1363252003. The next prime is 1363252019. The reversal of 1363252005 is 5002523631.

1363252005 is a `hidden beast` number, since 1 + 3 + 632 + 5 + 20 + 0 + 5 = 666.

It is not a de Polignac number, because 1363252005 - 2¹ = 1363252003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1363252005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363252003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 422157 + ... + 425373.

It is an arithmetic number, because the mean of its divisors is an integer number (39291780).

Almost surely, 2^1363252005 is an apocalyptic number.

1363252005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1363252005 is a deficient number, since it is larger than the sum of its proper divisors (1151421915).

1363252005 is a wasteful number, since it uses less digits than its factorization.

1363252005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1363252005 is about 36922.2426864891. The cubic root of 1363252005 is about 1108.8140364666.

Adding to 1363252005 its reverse (5002523631), we get a palindrome (6365775636).

The spelling of 1363252005 in words is "one billion, three hundred sixty-three million, two hundred fifty-two thousand, five".