1363540625 has 48 divisors (see below), whose sum is σ = 1813383936. Its totient is φ = 1023000000.

The previous prime is 1363540597. The next prime is 1363540657. The reversal of 1363540625 is 5260453631.

It is a de Polignac number, because none of the positive numbers 2^k-1363540625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4384220 + ... + 4384530.

It is an arithmetic number, because the mean of its divisors is an integer number (37778832).

Almost surely, 2^1363540625 is an apocalyptic number.

It is an amenable number.

1363540625 is a deficient number, since it is larger than the sum of its proper divisors (449843311).

1363540625 is an frugal number, since it uses more digits than its factorization.

1363540625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 1363540625 is about 36926.1509637818. The cubic root of 1363540625 is about 1108.8922815560.

The spelling of 1363540625 in words is "one billion, three hundred sixty-three million, five hundred forty thousand, six hundred twenty-five".