1352644403 has 4 divisors (see below), whose sum is σ = 1475612088. Its totient is φ = 1229676720.

The previous prime is 1352644393. The next prime is 1352644411. The reversal of 1352644403 is 3044462531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3044462531 = 11 ⋅276769321.

It is a cyclic number.

It is not a de Polignac number, because 1352644403 - 2⁴ = 1352644387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1352644403.

It is not an unprimeable number, because it can be changed into a prime (1352644463) 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, 61483826 + ... + 61483847.

It is an arithmetic number, because the mean of its divisors is an integer number (368903022).

Almost surely, 2^1352644403 is an apocalyptic number.

1352644403 is a deficient number, since it is larger than the sum of its proper divisors (122967685).

1352644403 is a wasteful number, since it uses less digits than its factorization.

1352644403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122967684.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 1352644403 is about 36778.3143034044. The cubic root of 1352644403 is about 1105.9306132874.

The spelling of 1352644403 in words is "one billion, three hundred fifty-two million, six hundred forty-four thousand, four hundred three".