3724251 has 4 divisors (see below), whose sum is σ = 4965672. Its totient is φ = 2482832.

The previous prime is 3724249. The next prime is 3724261. The reversal of 3724251 is 1524273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1524273 = 3 ⋅508091.

It is a cyclic number.

It is not a de Polignac number, because 3724251 - 2¹ = 3724249 is a prime.

It is a super-2 number, since 2×3724251² = 27740091022002, which contains 22 as substring.

It is a D-number.

3724251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3724211) 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, 620706 + ... + 620711.

It is an arithmetic number, because the mean of its divisors is an integer number (1241418).

Almost surely, 2^3724251 is an apocalyptic number.

3724251 is a deficient number, since it is larger than the sum of its proper divisors (1241421).

3724251 is a wasteful number, since it uses less digits than its factorization.

3724251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241420.

The product of its digits is 1680, while the sum is 24.

The square root of 3724251 is about 1929.8318579607. The cubic root of 3724251 is about 155.0052166125.

The spelling of 3724251 in words is "three million, seven hundred twenty-four thousand, two hundred fifty-one".