1071525 has 48 divisors (see below), whose sum is σ = 2194304. Its totient is φ = 449280.

The previous prime is 1071487. The next prime is 1071529. The reversal of 1071525 is 5251701.

1071525 = T₂₇₄ + T₂₇₅ + ... + T₂₉₉.

It is not a de Polignac number, because 1071525 - 2⁸ = 1071269 is a prime.

It is a super-2 number, since 2×1071525² = 2296331651250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6747 + ... + 6903.

2^1071525 is an apocalyptic number.

1071525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1071525 is an abundant number, since it is smaller than the sum of its proper divisors (1122779).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1071525 is a wasteful number, since it uses less digits than its factorization.

1071525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 1071525 is about 1035.1449173908. The cubic root of 1071525 is about 102.3294805096.

It can be divided in two parts, 1071 and 525, that added together give a triangular number (1596 = T₅₆).

The spelling of 1071525 in words is "one million, seventy-one thousand, five hundred twenty-five".