1343240025 has 24 divisors (see below), whose sum is σ = 2268081024. Its totient is φ = 701150400.

The previous prime is 1343240021. The next prime is 1343240047. The reversal of 1343240025 is 5200423431.

It is not a de Polignac number, because 1343240025 - 2² = 1343240021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1343239977 and 1343240004.

It is not an unprimeable number, because it can be changed into a prime (1343240021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187006 + ... + 194055.

It is an arithmetic number, because the mean of its divisors is an integer number (94503376).

Almost surely, 2^1343240025 is an apocalyptic number.

1343240025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343240025 is a deficient number, since it is larger than the sum of its proper divisors (924840999).

1343240025 is a wasteful number, since it uses less digits than its factorization.

1343240025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381121 (or 381116 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 1343240025 is about 36650.2390851683. The cubic root of 1343240025 is about 1103.3616240519.

Adding to 1343240025 its reverse (5200423431), we get a palindrome (6543663456).

The spelling of 1343240025 in words is "one billion, three hundred forty-three million, two hundred forty thousand, twenty-five".