2472381 has 6 divisors (see below), whose sum is σ = 3571230. Its totient is φ = 1648248.

The previous prime is 2472373. The next prime is 2472389. The reversal of 2472381 is 1832742.

It is an interprime number because it is at equal distance from previous prime (2472373) and next prime (2472389).

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 416025 = 1434^2 + 645^2 .

It is not a de Polignac number, because 2472381 - 2³ = 2472373 is a prime.

It is a super-2 number, since 2×2472381² = 12225335618322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472389) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137346 + ... + 137363.

It is an arithmetic number, because the mean of its divisors is an integer number (595205).

2^2472381 is an apocalyptic number.

It is an amenable number.

2472381 is a deficient number, since it is larger than the sum of its proper divisors (1098849).

2472381 is a wasteful number, since it uses less digits than its factorization.

2472381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274715 (or 274712 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2472381 is about 1572.3806790978. The cubic root of 2472381 is about 135.2192322640.

It can be divided in two parts, 247 and 2381, that added together give a triangular number (2628 = T₇₂).

The spelling of 2472381 in words is "two million, four hundred seventy-two thousand, three hundred eighty-one".