3725515 has 4 divisors (see below), whose sum is σ = 4470624. Its totient is φ = 2980408.

The previous prime is 3725507. The next prime is 3725521. The reversal of 3725515 is 5155273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5155273 = 1381 ⋅3733.

It is a cyclic number.

It is not a de Polignac number, because 3725515 - 2³ = 3725507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372547 + ... + 372556.

It is an arithmetic number, because the mean of its divisors is an integer number (1117656).

Almost surely, 2^3725515 is an apocalyptic number.

3725515 is a deficient number, since it is larger than the sum of its proper divisors (745109).

3725515 is an equidigital number, since it uses as much as digits as its factorization.

3725515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745108.

The product of its digits is 5250, while the sum is 28.

The square root of 3725515 is about 1930.1593198490. The cubic root of 3725515 is about 155.0227507361.

It can be divided in two parts, 37 and 25515, that added together give a palindrome (25552).

The spelling of 3725515 in words is "three million, seven hundred twenty-five thousand, five hundred fifteen".