3425731 has 2 divisors, whose sum is σ = 3425732. Its totient is φ = 3425730.

The previous prime is 3425729. The next prime is 3425753. The reversal of 3425731 is 1375243.

It is a weak prime.

It is an emirp because it is prime and its reverse (1375243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3425731 - 2¹ = 3425729 is a prime.

It is a super-2 number, since 2×3425731² = 23471265768722, which contains 22 as substring.

Together with 3425729, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3425696 and 3425705.

It is not a weakly prime, because it can be changed into another prime (3425791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1712865 + 1712866.

It is an arithmetic number, because the mean of its divisors is an integer number (1712866).

Almost surely, 2^3425731 is an apocalyptic number.

3425731 is a deficient number, since it is larger than the sum of its proper divisors (1).

3425731 is an equidigital number, since it uses as much as digits as its factorization.

3425731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 25.

The square root of 3425731 is about 1850.8730372449. The cubic root of 3425731 is about 150.7478357852.

The spelling of 3425731 in words is "three million, four hundred twenty-five thousand, seven hundred thirty-one".