2451320 has 16 divisors (see below), whose sum is σ = 5515560. Its totient is φ = 980512.

The previous prime is 2451311. The next prime is 2451331. The reversal of 2451320 is 231542.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30602 + ... + 30681.

2^2451320 is an apocalyptic number.

2451320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2451320 is an abundant number, since it is smaller than the sum of its proper divisors (3064240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2451320 is a wasteful number, since it uses less digits than its factorization.

2451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61294 (or 61290 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2451320 is about 1565.6691860032. The cubic root of 2451320 is about 134.8341814131.

Adding to 2451320 its reverse (231542), we get a palindrome (2682862).

The spelling of 2451320 in words is "two million, four hundred fifty-one thousand, three hundred twenty".