3857525 has 36 divisors (see below), whose sum is σ = 5767488. Its totient is φ = 2550240.

The previous prime is 3857519. The next prime is 3857531. The reversal of 3857525 is 5257583.

It is an interprime number because it is at equal distance from previous prime (3857519) and next prime (3857531).

It is not a de Polignac number, because 3857525 - 2¹² = 3853429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57542 + ... + 57608.

It is an arithmetic number, because the mean of its divisors is an integer number (160208).

Almost surely, 2^3857525 is an apocalyptic number.

3857525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3857525 is a deficient number, since it is larger than the sum of its proper divisors (1909963).

3857525 is a wasteful number, since it uses less digits than its factorization.

3857525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 126 counting only the distinct ones).

The product of its digits is 42000, while the sum is 35.

The square root of 3857525 is about 1964.0582985237. The cubic root of 3857525 is about 156.8325665775.

3857525 divided by its sum of digits (35) gives a triangular number (110215 = T₄₆₉).

The spelling of 3857525 in words is "three million, eight hundred fifty-seven thousand, five hundred twenty-five".