3405021425 has 24 divisors (see below), whose sum is σ = 4561958016. Its totient is φ = 2506213440.

The previous prime is 3405021419. The next prime is 3405021437. The reversal of 3405021425 is 5241205043.

It is a happy number.

It is not a de Polignac number, because 3405021425 - 2¹⁴ = 3405005041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3405021394 and 3405021403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82712 + ... + 116838.

It is an arithmetic number, because the mean of its divisors is an integer number (190081584).

Almost surely, 2^3405021425 is an apocalyptic number.

It is an amenable number.

3405021425 is a deficient number, since it is larger than the sum of its proper divisors (1156936591).

3405021425 is a wasteful number, since it uses less digits than its factorization.

3405021425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34457 (or 34452 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 3405021425 is about 58352.5614262133. The cubic root of 3405021425 is about 1504.4344957644.

Adding to 3405021425 its reverse (5241205043), we get a palindrome (8646226468).

The spelling of 3405021425 in words is "three billion, four hundred five million, twenty-one thousand, four hundred twenty-five".