3521404417 has 4 divisors (see below), whose sum is σ = 3523168000. Its totient is φ = 3519640836.

The previous prime is 3521404363. The next prime is 3521404451. The reversal of 3521404417 is 7144041253.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3521404417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3521404457) 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, 878793 + ... + 882790.

It is an arithmetic number, because the mean of its divisors is an integer number (880792000).

Almost surely, 2^3521404417 is an apocalyptic number.

It is an amenable number.

3521404417 is a deficient number, since it is larger than the sum of its proper divisors (1763583).

3521404417 is a wasteful number, since it uses less digits than its factorization.

3521404417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763582.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3521404417 is about 59341.4224382935. The cubic root of 3521404417 is about 1521.3832654004.

The spelling of 3521404417 in words is "three billion, five hundred twenty-one million, four hundred four thousand, four hundred seventeen".