3725129 has 4 divisors (see below), whose sum is σ = 3738576. Its totient is φ = 3711684.

The previous prime is 3725119. The next prime is 3725147. The reversal of 3725129 is 9215273.

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: 9215273 = 1201 ⋅7673.

It is a cyclic number.

It is not a de Polignac number, because 3725129 - 2¹² = 3721033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3725119) 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, 6299 + ... + 6864.

It is an arithmetic number, because the mean of its divisors is an integer number (934644).

Almost surely, 2^3725129 is an apocalyptic number.

It is an amenable number.

3725129 is a deficient number, since it is larger than the sum of its proper divisors (13447).

3725129 is a wasteful number, since it uses less digits than its factorization.

3725129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446.

The product of its digits is 3780, while the sum is 29.

The square root of 3725129 is about 1930.0593255131. The cubic root of 3725129 is about 155.0173965906.

The spelling of 3725129 in words is "three million, seven hundred twenty-five thousand, one hundred twenty-nine".