2472389 has 2 divisors, whose sum is σ = 2472390. Its totient is φ = 2472388.

The previous prime is 2472373. The next prime is 2472403. The reversal of 2472389 is 9832742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 16900 = 1567^2 + 130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2472389 - 2⁴ = 2472373 is a prime.

It is a super-2 number, since 2×2472389² = 12225414734642, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2472329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236194 + 1236195.

It is an arithmetic number, because the mean of its divisors is an integer number (1236195).

2^2472389 is an apocalyptic number.

It is an amenable number.

2472389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2472389 is an equidigital number, since it uses as much as digits as its factorization.

2472389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 2472389 is about 1572.3832230089. The cubic root of 2472389 is about 135.2193781089.

The spelling of 2472389 in words is "two million, four hundred seventy-two thousand, three hundred eighty-nine".