1352021541 has 16 divisors (see below), whose sum is σ = 1944944064. Its totient is φ = 830479104.

The previous prime is 1352021537. The next prime is 1352021591. The reversal of 1352021541 is 1451202531.

It is a happy number.

It is not a de Polignac number, because 1352021541 - 2² = 1352021537 is a prime.

It is a super-3 number, since 3×1352021541³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352021501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10356 + ... + 53021.

It is an arithmetic number, because the mean of its divisors is an integer number (121559004).

Almost surely, 2^1352021541 is an apocalyptic number.

It is an amenable number.

1352021541 is a deficient number, since it is larger than the sum of its proper divisors (592922523).

1352021541 is a wasteful number, since it uses less digits than its factorization.

1352021541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63940.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1352021541 is about 36769.8455395178. The cubic root of 1352021541 is about 1105.7608352558.

The spelling of 1352021541 in words is "one billion, three hundred fifty-two million, twenty-one thousand, five hundred forty-one".