2451047 has 4 divisors (see below), whose sum is σ = 2464920. Its totient is φ = 2437176.

The previous prime is 2451023. The next prime is 2451079. The reversal of 2451047 is 7401542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7401542 = 2 ⋅3700771.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2451047 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2451017) 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, 6668 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (616230).

2^2451047 is an apocalyptic number.

2451047 is a deficient number, since it is larger than the sum of its proper divisors (13873).

2451047 is a wasteful number, since it uses less digits than its factorization.

2451047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13872.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 2451047 is about 1565.5820004075. The cubic root of 2451047 is about 134.8291757973.

Adding to 2451047 its reverse (7401542), we get a palindrome (9852589).

The spelling of 2451047 in words is "two million, four hundred fifty-one thousand, forty-seven".