3551525 has 6 divisors (see below), whose sum is σ = 4403922. Its totient is φ = 2841200.

The previous prime is 3551507. The next prime is 3551549. The reversal of 3551525 is 5251553.

It can be written as a sum of positive squares in 3 ways, for example, as 516961 + 3034564 = 719^2 + 1742^2 .

It is not a de Polignac number, because 3551525 - 2¹² = 3547429 is a prime.

It is a super-2 number, since 2×3551525² = 25226659651250, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 3551494 and 3551503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71006 + ... + 71055.

It is an arithmetic number, because the mean of its divisors is an integer number (733987).

Almost surely, 2^3551525 is an apocalyptic number.

It is an amenable number.

3551525 is a deficient number, since it is larger than the sum of its proper divisors (852397).

3551525 is a wasteful number, since it uses less digits than its factorization.

3551525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142071 (or 142066 counting only the distinct ones).

The product of its digits is 3750, while the sum is 26.

The square root of 3551525 is about 1884.5490176697. The cubic root of 3551525 is about 152.5708709381.

The spelling of 3551525 in words is "three million, five hundred fifty-one thousand, five hundred twenty-five".