3525731 has 4 divisors (see below), whose sum is σ = 3846264. Its totient is φ = 3205200.

The previous prime is 3525727. The next prime is 3525761. The reversal of 3525731 is 1375253.

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

It is a cyclic number.

It is not a de Polignac number, because 3525731 - 2² = 3525727 is a prime.

It is a super-2 number, since 2×3525731² = 24861558168722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3525731.

It is not an unprimeable number, because it can be changed into a prime (3525761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160250 + ... + 160271.

It is an arithmetic number, because the mean of its divisors is an integer number (961566).

Almost surely, 2^3525731 is an apocalyptic number.

3525731 is a deficient number, since it is larger than the sum of its proper divisors (320533).

3525731 is a wasteful number, since it uses less digits than its factorization.

3525731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320532.

The product of its digits is 3150, while the sum is 26.

The square root of 3525731 is about 1877.6929994011. The cubic root of 3525731 is about 152.2006094269.

The spelling of 3525731 in words is "three million, five hundred twenty-five thousand, seven hundred thirty-one".