2515254220 has 12 divisors (see below), whose sum is σ = 5282033904. Its totient is φ = 1006101680.

The previous prime is 2515254211. The next prime is 2515254229. The reversal of 2515254220 is 224525152.

It is an interprime number because it is at equal distance from previous prime (2515254211) and next prime (2515254229).

It is not an unprimeable number, because it can be changed into a prime (2515254229) 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, 62881336 + ... + 62881375.

It is an arithmetic number, because the mean of its divisors is an integer number (440169492).

Almost surely, 2^2515254220 is an apocalyptic number.

2515254220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2515254220 is an abundant number, since it is smaller than the sum of its proper divisors (2766779684).

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

2515254220 is a wasteful number, since it uses less digits than its factorization.

2515254220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125762720 (or 125762718 counting only the distinct ones).

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

The square root of 2515254220 is about 50152.3102159811. The cubic root of 2515254220 is about 1359.9636344082.

Adding to 2515254220 its reverse (224525152), we get a palindrome (2739779372).

The spelling of 2515254220 in words is "two billion, five hundred fifteen million, two hundred fifty-four thousand, two hundred twenty".