6961487 has 4 divisors (see below), whose sum is σ = 7497000. Its totient is φ = 6425976.

The previous prime is 6961463. The next prime is 6961511. The reversal of 6961487 is 7841696.

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

It is an interprime number because it is at equal distance from previous prime (6961463) and next prime (6961511).

It is a cyclic number.

It is not a de Polignac number, because 6961487 - 2⁸ = 6961231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6961417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267737 + ... + 267762.

It is an arithmetic number, because the mean of its divisors is an integer number (1874250).

Almost surely, 2^6961487 is an apocalyptic number.

6961487 is a deficient number, since it is larger than the sum of its proper divisors (535513).

6961487 is a wasteful number, since it uses less digits than its factorization.

6961487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535512.

The product of its digits is 72576, while the sum is 41.

The square root of 6961487 is about 2638.4629995511. The cubic root of 6961487 is about 190.9416504420.

The spelling of 6961487 in words is "six million, nine hundred sixty-one thousand, four hundred eighty-seven".