3425154521 has 8 divisors (see below), whose sum is σ = 3524337864. Its totient is φ = 3327251200.

The previous prime is 3425154493. The next prime is 3425154527. The reversal of 3425154521 is 1254515243.

It can be written as a sum of positive squares in 4 ways, for example, as 2703480025 + 721674496 = 51995^2 + 26864^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3425154521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3425154527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314576 + ... + 325281.

It is an arithmetic number, because the mean of its divisors is an integer number (440542233).

Almost surely, 2^3425154521 is an apocalyptic number.

It is an amenable number.

3425154521 is a deficient number, since it is larger than the sum of its proper divisors (99183343).

3425154521 is a wasteful number, since it uses less digits than its factorization.

3425154521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640011.

The product of its digits is 24000, while the sum is 32.

The square root of 3425154521 is about 58524.8197007048. The cubic root of 3425154521 is about 1507.3937940647.

Adding to 3425154521 its reverse (1254515243), we get a palindrome (4679669764).

The spelling of 3425154521 in words is "three billion, four hundred twenty-five million, one hundred fifty-four thousand, five hundred twenty-one".