4513521406 has 4 divisors (see below), whose sum is σ = 6770282112. Its totient is φ = 2256760702.

The previous prime is 4513521391. The next prime is 4513521409. The reversal of 4513521406 is 6041253154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4513521409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128380350 + ... + 1128380353.

It is an arithmetic number, because the mean of its divisors is an integer number (1692570528).

Almost surely, 2^4513521406 is an apocalyptic number.

4513521406 is a deficient number, since it is larger than the sum of its proper divisors (2256760706).

4513521406 is a wasteful number, since it uses less digits than its factorization.

4513521406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256760705.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4513521406 is about 67182.7463416017. The cubic root of 4513521406 is about 1652.6155524444.

The spelling of 4513521406 in words is "four billion, five hundred thirteen million, five hundred twenty-one thousand, four hundred six".