3541221425 has 36 divisors (see below), whose sum is σ = 5376910320. Its totient is φ = 2300447520.

The previous prime is 3541221377. The next prime is 3541221449. The reversal of 3541221425 is 5241221453.

It is not a de Polignac number, because 3541221425 - 2¹⁰ = 3541220401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52799 + ... + 99348.

It is an arithmetic number, because the mean of its divisors is an integer number (149358620).

Almost surely, 2^3541221425 is an apocalyptic number.

3541221425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3541221425 is a deficient number, since it is larger than the sum of its proper divisors (1835688895).

3541221425 is a wasteful number, since it uses less digits than its factorization.

3541221425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152190 (or 152178 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 3541221425 is about 59508.1626753843. The cubic root of 3541221425 is about 1524.2318338570.

Adding to 3541221425 its reverse (5241221453), we get a palindrome (8782442878).

The spelling of 3541221425 in words is "three billion, five hundred forty-one million, two hundred twenty-one thousand, four hundred twenty-five".