3435521 has 2 divisors, whose sum is σ = 3435522. Its totient is φ = 3435520.

The previous prime is 3435503. The next prime is 3435541. The reversal of 3435521 is 1255343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1860496 + 1575025 = 1364^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 3435521 - 2⁶ = 3435457 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3435541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1717760 + 1717761.

It is an arithmetic number, because the mean of its divisors is an integer number (1717761).

Almost surely, 2^3435521 is an apocalyptic number.

It is an amenable number.

3435521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3435521 is an equidigital number, since it uses as much as digits as its factorization.

3435521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 3435521 is about 1853.5158483272. The cubic root of 3435521 is about 150.8913008034.

The spelling of 3435521 in words is "three million, four hundred thirty-five thousand, five hundred twenty-one".