1363251345 has 64 divisors (see below), whose sum is σ = 2286627840. Its totient is φ = 693082368.

The previous prime is 1363251341. The next prime is 1363251367. The reversal of 1363251345 is 5431523631.

It is not a de Polignac number, because 1363251345 - 2² = 1363251341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1363251341) 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, 4921347 + ... + 4921623.

It is an arithmetic number, because the mean of its divisors is an integer number (35728560).

Almost surely, 2^1363251345 is an apocalyptic number.

1363251345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1363251345 is a deficient number, since it is larger than the sum of its proper divisors (923376495).

1363251345 is a wasteful number, since it uses less digits than its factorization.

1363251345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494.

The product of its digits is 32400, while the sum is 33.

The square root of 1363251345 is about 36922.2337487861. The cubic root of 1363251345 is about 1108.8138575275.

Adding to 1363251345 its reverse (5431523631), we get a palindrome (6794774976).

The spelling of 1363251345 in words is "one billion, three hundred sixty-three million, two hundred fifty-one thousand, three hundred forty-five".