1285526 has 16 divisors (see below), whose sum is σ = 2135808. Its totient is φ = 575400.

The previous prime is 1285519. The next prime is 1285547. The reversal of 1285526 is 6255821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151 + ... + 1973.

It is an arithmetic number, because the mean of its divisors is an integer number (133488).

2^1285526 is an apocalyptic number.

1285526 is a deficient number, since it is larger than the sum of its proper divisors (850282).

1285526 is a wasteful number, since it uses less digits than its factorization.

1285526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 4800, while the sum is 29.

The square root of 1285526 is about 1133.8103897919. The cubic root of 1285526 is about 108.7327290140.

The spelling of 1285526 in words is "one million, two hundred eighty-five thousand, five hundred twenty-six".