2515425220 has 96 divisors (see below), whose sum is σ = 6684410880. Its totient is φ = 772295040.

The previous prime is 2515425203. The next prime is 2515425251. The reversal of 2515425220 is 225245152.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90991 + ... + 115369.

It is an arithmetic number, because the mean of its divisors is an integer number (69629280).

Almost surely, 2^2515425220 is an apocalyptic number.

2515425220 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 2515425220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3342205440).

2515425220 is an abundant number, since it is smaller than the sum of its proper divisors (4168985660).

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

2515425220 is a wasteful number, since it uses less digits than its factorization.

2515425220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24473 (or 24471 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2515425220 is about 50154.0149938168. The cubic root of 2515425220 is about 1359.9944528320.

The spelling of 2515425220 in words is "two billion, five hundred fifteen million, four hundred twenty-five thousand, two hundred twenty".