1343400625 has 80 divisors (see below), whose sum is σ = 2026651264. Its totient is φ = 870912000.

The previous prime is 1343400623. The next prime is 1343400631. The reversal of 1343400625 is 5260043431.

It is not a de Polignac number, because 1343400625 - 2¹ = 1343400623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343400593 and 1343400602.

It is not an unprimeable number, because it can be changed into a prime (1343400623) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6960529 + ... + 6960721.

Almost surely, 2^1343400625 is an apocalyptic number.

It is an amenable number.

1343400625 is a deficient number, since it is larger than the sum of its proper divisors (683250639).

1343400625 is an equidigital number, since it uses as much as digits as its factorization.

1343400625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1343400625 is about 36652.4300012973. The cubic root of 1343400625 is about 1103.4055955466.

The spelling of 1343400625 in words is "one billion, three hundred forty-three million, four hundred thousand, six hundred twenty-five".