4961287 has 4 divisors (see below), whose sum is σ = 5082336. Its totient is φ = 4840240.

The previous prime is 4961249. The next prime is 4961311. The reversal of 4961287 is 7821694.

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 4961287 - 2¹⁵ = 4928519 is a prime.

It is a super-2 number, since 2×4961287² = 49228737392738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4961207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60463 + ... + 60544.

It is an arithmetic number, because the mean of its divisors is an integer number (1270584).

Almost surely, 2^4961287 is an apocalyptic number.

4961287 is a deficient number, since it is larger than the sum of its proper divisors (121049).

4961287 is a wasteful number, since it uses less digits than its factorization.

4961287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121048.

The product of its digits is 24192, while the sum is 37.

The square root of 4961287 is about 2227.3946664208. The cubic root of 4961287 is about 170.5551287575. Note that the first 3 decimals are identical.

The spelling of 4961287 in words is "four million, nine hundred sixty-one thousand, two hundred eighty-seven".