3551522425 has 36 divisors (see below), whose sum is σ = 4856630128. Its totient is φ = 2574396000.

The previous prime is 3551522413. The next prime is 3551522467. The reversal of 3551522425 is 5242251553.

It is not a de Polignac number, because 3551522425 - 2¹⁵ = 3551489657 is a prime.

It is a super-2 number, since 2×3551522425² = 25226623070555761250, which contains 22 as substring.

It is a Duffinian number.

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, 999502 + ... + 1003048.

Almost surely, 2^3551522425 is an apocalyptic number.

It is an amenable number.

3551522425 is a deficient number, since it is larger than the sum of its proper divisors (1305107703).

3551522425 is a wasteful number, since it uses less digits than its factorization.

3551522425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910 (or 3894 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 3551522425 is about 59594.6509764089. The cubic root of 3551522425 is about 1525.7083406474.

Adding to 3551522425 its reverse (5242251553), we get a palindrome (8793773978).

The spelling of 3551522425 in words is "three billion, five hundred fifty-one million, five hundred twenty-two thousand, four hundred twenty-five".