3450003021 has 6 divisors (see below), whose sum is σ = 4983337710. Its totient is φ = 2300002008.

The previous prime is 3450003017. The next prime is 3450003043. The reversal of 3450003021 is 1203000543.

It can be written as a sum of positive squares in only one way, i.e., 3435600996 + 14402025 = 58614^2 + 3795^2 .

It is not a de Polignac number, because 3450003021 - 2² = 3450003017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3450002985 and 3450003003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3450005021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 191666826 + ... + 191666843.

It is an arithmetic number, because the mean of its divisors is an integer number (830556285).

Almost surely, 2^3450003021 is an apocalyptic number.

It is an amenable number.

3450003021 is a deficient number, since it is larger than the sum of its proper divisors (1533334689).

3450003021 is a wasteful number, since it uses less digits than its factorization.

3450003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383333675 (or 383333672 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3450003021 is about 58736.7263388078. The cubic root of 3450003021 is about 1511.0302489228.

Adding to 3450003021 its reverse (1203000543), we get a palindrome (4653003564).

The spelling of 3450003021 in words is "three billion, four hundred fifty million, three thousand, twenty-one".