2531498280 has 64 divisors (see below), whose sum is σ = 7601290560. Its totient is φ = 674462208.

The previous prime is 2531498273. The next prime is 2531498287. The reversal of 2531498280 is 828941352.

It is an interprime number because it is at equal distance from previous prime (2531498273) and next prime (2531498287).

It is not an unprimeable number, because it can be changed into a prime (2531498287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134319 + ... + 152001.

It is an arithmetic number, because the mean of its divisors is an integer number (118770165).

Almost surely, 2^2531498280 is an apocalyptic number.

2531498280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531498280 is an abundant number, since it is smaller than the sum of its proper divisors (5069792280).

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

2531498280 is a wasteful number, since it uses less digits than its factorization.

2531498280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18890 (or 18886 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2531498280 is about 50313.9968597209. The cubic root of 2531498280 is about 1362.8850016563.

The spelling of 2531498280 in words is "two billion, five hundred thirty-one million, four hundred ninety-eight thousand, two hundred eighty".