3542161521 has 4 divisors (see below), whose sum is σ = 4722882032. Its totient is φ = 2361441012.

The previous prime is 3542161501. The next prime is 3542161523. The reversal of 3542161521 is 1251612453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3542161521 - 2¹¹ = 3542159473 is a prime.

It is a super-3 number, since 3×3542161521³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3542161523) 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 3 ways as a sum of consecutive naturals, for example, 590360251 + ... + 590360256.

It is an arithmetic number, because the mean of its divisors is an integer number (1180720508).

Almost surely, 2^3542161521 is an apocalyptic number.

It is an amenable number.

3542161521 is a deficient number, since it is larger than the sum of its proper divisors (1180720511).

3542161521 is a wasteful number, since it uses less digits than its factorization.

3542161521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180720510.

The product of its digits is 7200, while the sum is 30.

The square root of 3542161521 is about 59516.0610339764. The cubic root of 3542161521 is about 1524.3667023384.

Adding to 3542161521 its reverse (1251612453), we get a palindrome (4793773974).

The spelling of 3542161521 in words is "three billion, five hundred forty-two million, one hundred sixty-one thousand, five hundred twenty-one".