3125757 has 4 divisors (see below), whose sum is σ = 4167680. Its totient is φ = 2083836.

The previous prime is 3125753. The next prime is 3125767. The reversal of 3125757 is 7575213.

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: 7575213 = 3 ⋅2525071.

It is not a de Polignac number, because 3125757 - 2² = 3125753 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125753) 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, 520957 + ... + 520962.

It is an arithmetic number, because the mean of its divisors is an integer number (1041920).

Almost surely, 2^3125757 is an apocalyptic number.

It is an amenable number.

3125757 is a deficient number, since it is larger than the sum of its proper divisors (1041923).

3125757 is a wasteful number, since it uses less digits than its factorization.

3125757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041922.

The product of its digits is 7350, while the sum is 30.

The square root of 3125757 is about 1767.9810519347. The cubic root of 3125757 is about 146.2126911918.

The spelling of 3125757 in words is "three million, one hundred twenty-five thousand, seven hundred fifty-seven".