4997261 has 4 divisors (see below), whose sum is σ = 5053500. Its totient is φ = 4941024.

The previous prime is 4997243. The next prime is 4997273. The reversal of 4997261 is 1627994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1627994 = 2 ⋅813997.

It can be written as a sum of positive squares in 2 ways, for example, as 2418025 + 2579236 = 1555^2 + 1606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4997261 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 (4997281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27986 + ... + 28163.

It is an arithmetic number, because the mean of its divisors is an integer number (1263375).

Almost surely, 2^4997261 is an apocalyptic number.

It is an amenable number.

4997261 is a deficient number, since it is larger than the sum of its proper divisors (56239).

4997261 is an equidigital number, since it uses as much as digits as its factorization.

4997261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56238.

The product of its digits is 27216, while the sum is 38.

The square root of 4997261 is about 2235.4554345815. The cubic root of 4997261 is about 170.9663648036.

The spelling of 4997261 in words is "four million, nine hundred ninety-seven thousand, two hundred sixty-one".