1505606 has 4 divisors (see below), whose sum is σ = 2258412. Its totient is φ = 752802.

The previous prime is 1505599. The next prime is 1505611. The reversal of 1505606 is 6065051.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 376400 + ... + 376403.

It is an arithmetic number, because the mean of its divisors is an integer number (564603).

2^1505606 is an apocalyptic number.

1505606 is a deficient number, since it is larger than the sum of its proper divisors (752806).

1505606 is an equidigital number, since it uses as much as digits as its factorization.

1505606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752805.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1505606 is about 1227.0313769419. The cubic root of 1505606 is about 114.6138529245.

The spelling of 1505606 in words is "one million, five hundred five thousand, six hundred six".