4953781 has 4 divisors (see below), whose sum is σ = 5661472. Its totient is φ = 4246092.

The previous prime is 4953761. The next prime is 4953787. The reversal of 4953781 is 1873594.

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: 1873594 = 2 ⋅936797.

It is a cyclic number.

It is not a de Polignac number, because 4953781 - 2¹¹ = 4951733 is a prime.

It is a super-2 number, since 2×4953781² = 49079892391922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4953781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4953787) 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, 353835 + ... + 353848.

It is an arithmetic number, because the mean of its divisors is an integer number (1415368).

Almost surely, 2^4953781 is an apocalyptic number.

It is an amenable number.

4953781 is a deficient number, since it is larger than the sum of its proper divisors (707691).

4953781 is an equidigital number, since it uses as much as digits as its factorization.

4953781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707690.

The product of its digits is 30240, while the sum is 37.

The square root of 4953781 is about 2225.7091004891. The cubic root of 4953781 is about 170.4690736040.

The spelling of 4953781 in words is "four million, nine hundred fifty-three thousand, seven hundred eighty-one".