3491025 has 24 divisors (see below), whose sum is σ = 5847840. Its totient is φ = 1837440.

The previous prime is 3491021. The next prime is 3491029. The reversal of 3491025 is 5201943.

It is an interprime number because it is at equal distance from previous prime (3491021) and next prime (3491029).

It is not a de Polignac number, because 3491025 - 2² = 3491021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3490986 and 3491004.

It is not an unprimeable number, because it can be changed into a prime (3491021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6414 + ... + 6936.

It is an arithmetic number, because the mean of its divisors is an integer number (243660).

Almost surely, 2^3491025 is an apocalyptic number.

It is an amenable number.

3491025 is a deficient number, since it is larger than the sum of its proper divisors (2356815).

3491025 is a wasteful number, since it uses less digits than its factorization.

3491025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3491025 is about 1868.4284840475. The cubic root of 3491025 is about 151.6995594775.

Adding to 3491025 its reverse (5201943), we get a palindrome (8692968).

The spelling of 3491025 in words is "three million, four hundred ninety-one thousand, twenty-five".