4972281 has 16 divisors (see below), whose sum is σ = 7069440. Its totient is φ = 3099600.

The previous prime is 4972267. The next prime is 4972283. The reversal of 4972281 is 1822794.

It is a happy number.

4972281 is a nontrivial binomial coefficient, being equal to C(3154, 2).

It is not a de Polignac number, because 4972281 - 2⁷ = 4972153 is a prime.

It is a super-2 number, since 2×4972281² = 49447156685922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4972283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4206 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (441840).

Almost surely, 2^4972281 is an apocalyptic number.

4972281 is the 3153-rd triangular number and also the 1577-th hexagonal number.

It is an amenable number.

4972281 is a deficient number, since it is larger than the sum of its proper divisors (2097159).

4972281 is a wasteful number, since it uses less digits than its factorization.

4972281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its digits is 8064, while the sum is 33.

The square root of 4972281 is about 2229.8612064431. The cubic root of 4972281 is about 170.6810167750.

It can be divided in two parts, 4972 and 281, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 4972281 in words is "four million, nine hundred seventy-two thousand, two hundred eighty-one".