3125062491 has 4 divisors (see below), whose sum is σ = 4166749992. Its totient is φ = 2083374992.

The previous prime is 3125062433. The next prime is 3125062537. The reversal of 3125062491 is 1942605213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3125062491 - 2¹⁸ = 3124800347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3125062091) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 520843746 + ... + 520843751.

It is an arithmetic number, because the mean of its divisors is an integer number (1041687498).

Almost surely, 2^3125062491 is an apocalyptic number.

3125062491 is a deficient number, since it is larger than the sum of its proper divisors (1041687501).

3125062491 is a wasteful number, since it uses less digits than its factorization.

3125062491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041687500.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3125062491 is about 55902.2583711964. The cubic root of 3125062491 is about 1462.0186143637.

The spelling of 3125062491 in words is "three billion, one hundred twenty-five million, sixty-two thousand, four hundred ninety-one".