2477245 has 4 divisors (see below), whose sum is σ = 2972700. Its totient is φ = 1981792.

The previous prime is 2477231. The next prime is 2477249. The reversal of 2477245 is 5427742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5427742 = 2 ⋅2713871.

It can be written as a sum of positive squares in 2 ways, for example, as 974169 + 1503076 = 987^2 + 1226^2 .

It is a cyclic number.

It is not a de Polignac number, because 2477245 - 2⁵ = 2477213 is a prime.

It is a super-2 number, since 2×2477245² = 12273485580050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4⁴ + 7 + 7⁶ + 2²¹ + 4⁹ + 5 .

2477245 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2477249) 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, 247720 + ... + 247729.

It is an arithmetic number, because the mean of its divisors is an integer number (743175).

2^2477245 is an apocalyptic number.

It is an amenable number.

2477245 is a deficient number, since it is larger than the sum of its proper divisors (495455).

2477245 is an equidigital number, since it uses as much as digits as its factorization.

2477245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495454.

The product of its digits is 15680, while the sum is 31.

The square root of 2477245 is about 1573.9266183657. The cubic root of 2477245 is about 135.3078479894.

The spelling of 2477245 in words is "two million, four hundred seventy-seven thousand, two hundred forty-five".