3525407 has 4 divisors (see below), whose sum is σ = 3541440. Its totient is φ = 3509376.

The previous prime is 3525391. The next prime is 3525419. The reversal of 3525407 is 7045253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7045253 = 47 ⋅149899.

It is a cyclic number.

It is not a de Polignac number, because 3525407 - 2⁴ = 3525391 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525437) 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, 7682 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (885360).

Almost surely, 2^3525407 is an apocalyptic number.

3525407 is a deficient number, since it is larger than the sum of its proper divisors (16033).

3525407 is a wasteful number, since it uses less digits than its factorization.

3525407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16032.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 3525407 is about 1877.6067213344. The cubic root of 3525407 is about 152.1959470833.

The spelling of 3525407 in words is "three million, five hundred twenty-five thousand, four hundred seven".