2515280 has 40 divisors (see below), whose sum is σ = 6106752. Its totient is φ = 961664.

The previous prime is 2515273. The next prime is 2515283. The reversal of 2515280 is 825152.

2515280 = T₁₄₉ + T₁₅₀ + ... + T₂₆₃.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157 + ... + 2523.

2^2515280 is an apocalyptic number.

2515280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2515280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3053376).

2515280 is an abundant number, since it is smaller than the sum of its proper divisors (3591472).

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

2515280 is a wasteful number, since it uses less digits than its factorization.

2515280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 2515280 is about 1585.9634295910. The cubic root of 2515280 is about 135.9968280690.

The spelling of 2515280 in words is "two million, five hundred fifteen thousand, two hundred eighty".