3725913 has 4 divisors (see below), whose sum is σ = 4967888. Its totient is φ = 2483940.

The previous prime is 3725899. The next prime is 3725923. The reversal of 3725913 is 3195273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3195273 = 3 ⋅1065091.

It is not a de Polignac number, because 3725913 - 2⁶ = 3725849 is a prime.

It is a super-3 number, since 3×3725913³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a Duffinian number.

3725913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3725923) 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, 620983 + ... + 620988.

It is an arithmetic number, because the mean of its divisors is an integer number (1241972).

Almost surely, 2^3725913 is an apocalyptic number.

It is an amenable number.

3725913 is a deficient number, since it is larger than the sum of its proper divisors (1241975).

3725913 is a wasteful number, since it uses less digits than its factorization.

3725913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241974.

The product of its digits is 5670, while the sum is 30.

The square root of 3725913 is about 1930.2624173930. The cubic root of 3725913 is about 155.0282709445.

The spelling of 3725913 in words is "three million, seven hundred twenty-five thousand, nine hundred thirteen".