3542521530 has 32 divisors (see below), whose sum is σ = 8503683264. Its totient is φ = 944491136.

The previous prime is 3542521529. The next prime is 3542521531. The reversal of 3542521530 is 351252453.

It is an interprime number because it is at equal distance from previous prime (3542521529) and next prime (3542521531).

It is a super-3 number, since 3×3542521530³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3542521531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236422 + ... + 250958.

It is an arithmetic number, because the mean of its divisors is an integer number (265740102).

Almost surely, 2^3542521530 is an apocalyptic number.

3542521530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3542521530 is an abundant number, since it is smaller than the sum of its proper divisors (4961161734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3542521530 is a wasteful number, since it uses less digits than its factorization.

3542521530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22670.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 3542521530 is about 59519.0854264412. The cubic root of 3542521530 is about 1524.4183437950.

Adding to 3542521530 its reverse (351252453), we get a palindrome (3893773983).

The spelling of 3542521530 in words is "three billion, five hundred forty-two million, five hundred twenty-one thousand, five hundred thirty".