3520007 has 2 divisors, whose sum is σ = 3520008. Its totient is φ = 3520006.

The previous prime is 3519983. The next prime is 3520009. The reversal of 3520007 is 7000253.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3520007 - 2¹⁴ = 3503623 is a prime.

Together with 3520009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760003 + 1760004.

It is an arithmetic number, because the mean of its divisors is an integer number (1760004).

Almost surely, 2^3520007 is an apocalyptic number.

3520007 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520007 is an equidigital number, since it uses as much as digits as its factorization.

3520007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 3520007 is about 1876.1681694347. The cubic root of 3520007 is about 152.1181992662.

The spelling of 3520007 in words is "three million, five hundred twenty thousand, seven".