1343651425 has 6 divisors (see below), whose sum is σ = 1666127798. Its totient is φ = 1074921120.

The previous prime is 1343651417. The next prime is 1343651431. The reversal of 1343651425 is 5241563431.

It can be written as a sum of positive squares in 3 ways, for example, as 25090081 + 1318561344 = 5009^2 + 36312^2 .

It is not a de Polignac number, because 1343651425 - 2³ = 1343651417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26873004 + ... + 26873053.

Almost surely, 2^1343651425 is an apocalyptic number.

It is an amenable number.

1343651425 is a deficient number, since it is larger than the sum of its proper divisors (322476373).

1343651425 is an equidigital number, since it uses as much as digits as its factorization.

1343651425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53746067 (or 53746062 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 1343651425 is about 36655.8511700383. The cubic root of 1343651425 is about 1103.4742563513.

The spelling of 1343651425 in words is "one billion, three hundred forty-three million, six hundred fifty-one thousand, four hundred twenty-five".