3125647046 has 4 divisors (see below), whose sum is σ = 4688470572. Its totient is φ = 1562823522.

The previous prime is 3125647037. The next prime is 3125647051. The reversal of 3125647046 is 6407465213.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6407465213 = 227 ⋅28226719.

It is a super-2 number, since 2×3125647046² = 19539338912337052232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781411760 + ... + 781411763.

It is an arithmetic number, because the mean of its divisors is an integer number (1172117643).

Almost surely, 2^3125647046 is an apocalyptic number.

3125647046 is a deficient number, since it is larger than the sum of its proper divisors (1562823526).

3125647046 is a wasteful number, since it uses less digits than its factorization.

3125647046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562823525.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 3125647046 is about 55907.4864933132. The cubic root of 3125647046 is about 1462.1097674219.

The spelling of 3125647046 in words is "three billion, one hundred twenty-five million, six hundred forty-seven thousand, forty-six".