3547425 has 48 divisors (see below), whose sum is σ = 6963840. Its totient is φ = 1559040.

The previous prime is 3547421. The next prime is 3547429. The reversal of 3547425 is 5247453.

It is an interprime number because it is at equal distance from previous prime (3547421) and next prime (3547429).

It is not a de Polignac number, because 3547425 - 2² = 3547421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3547392 and 3547401.

It is not an unprimeable number, because it can be changed into a prime (3547421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15109 + ... + 15341.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

Almost surely, 2^3547425 is an apocalyptic number.

3547425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3547425 is a deficient number, since it is larger than the sum of its proper divisors (3416415).

3547425 is a wasteful number, since it uses less digits than its factorization.

3547425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 277 counting only the distinct ones).

The product of its digits is 16800, while the sum is 30.

The square root of 3547425 is about 1883.4609101333. The cubic root of 3547425 is about 152.5121373480.

The spelling of 3547425 in words is "three million, five hundred forty-seven thousand, four hundred twenty-five".