3450212521 has 16 divisors (see below), whose sum is σ = 4037063040. Its totient is φ = 2887562880.

The previous prime is 3450212483. The next prime is 3450212533. The reversal of 3450212521 is 1252120543.

It is a cyclic number.

It is not a de Polignac number, because 3450212521 - 2²⁷ = 3315994793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3450212021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29010 + ... + 87988.

It is an arithmetic number, because the mean of its divisors is an integer number (252316440).

Almost surely, 2^3450212521 is an apocalyptic number.

It is an amenable number.

3450212521 is a deficient number, since it is larger than the sum of its proper divisors (586850519).

3450212521 is a wasteful number, since it uses less digits than its factorization.

3450212521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59184.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 3450212521 is about 58738.5096933860. The cubic root of 3450212521 is about 1511.0608338650.

The spelling of 3450212521 in words is "three billion, four hundred fifty million, two hundred twelve thousand, five hundred twenty-one".