1352078401 has 4 divisors (see below), whose sum is σ = 1364482900. Its totient is φ = 1339673904.

The previous prime is 1352078381. The next prime is 1352078407. The reversal of 1352078401 is 1048702531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1048702531 = 137 ⋅7654763.

It can be written as a sum of positive squares in 2 ways, for example, as 629759025 + 722319376 = 25095^2 + 26876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352078401 - 2²¹ = 1349981249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1352078407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6202086 + ... + 6202303.

It is an arithmetic number, because the mean of its divisors is an integer number (341120725).

Almost surely, 2^1352078401 is an apocalyptic number.

It is an amenable number.

1352078401 is a deficient number, since it is larger than the sum of its proper divisors (12404499).

1352078401 is a wasteful number, since it uses less digits than its factorization.

1352078401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404498.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1352078401 is about 36770.6187192982. The cubic root of 1352078401 is about 1105.7763361626.

The spelling of 1352078401 in words is "one billion, three hundred fifty-two million, seventy-eight thousand, four hundred one".