1352620741 has 4 divisors (see below), whose sum is σ = 1360439532. Its totient is φ = 1344801952.

The previous prime is 1352620727. The next prime is 1352620751. The reversal of 1352620741 is 1470262531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1470262531 = 281 ⋅5232251.

It can be written as a sum of positive squares in 2 ways, for example, as 507555841 + 845064900 = 22529^2 + 29070^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352620741 - 2⁹ = 1352620229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352620751) 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, 3909136 + ... + 3909481.

It is an arithmetic number, because the mean of its divisors is an integer number (340109883).

Almost surely, 2^1352620741 is an apocalyptic number.

It is an amenable number.

1352620741 is a deficient number, since it is larger than the sum of its proper divisors (7818791).

1352620741 is an equidigital number, since it uses as much as digits as its factorization.

1352620741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7818790.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1352620741 is about 36777.9926178686. The cubic root of 1352620741 is about 1105.9241645162.

The spelling of 1352620741 in words is "one billion, three hundred fifty-two million, six hundred twenty thousand, seven hundred forty-one".