1343025377 has 4 divisors (see below), whose sum is σ = 1344920340. Its totient is φ = 1341130416.

The previous prime is 1343025289. The next prime is 1343025379. The reversal of 1343025377 is 7735203431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89794576 + 1253230801 = 9476^2 + 35401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1343025377 - 2¹⁶ = 1342959841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343025379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946418 + ... + 947835.

It is an arithmetic number, because the mean of its divisors is an integer number (336230085).

Almost surely, 2^1343025377 is an apocalyptic number.

It is an amenable number.

1343025377 is a deficient number, since it is larger than the sum of its proper divisors (1894963).

1343025377 is an equidigital number, since it uses as much as digits as its factorization.

1343025377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894962.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 1343025377 is about 36647.3106380264. The cubic root of 1343025377 is about 1103.3028490060.

The spelling of 1343025377 in words is "one billion, three hundred forty-three million, twenty-five thousand, three hundred seventy-seven".