2531430450 has 72 divisors (see below), whose sum is σ = 6896987136. Its totient is φ = 665532000.

The previous prime is 2531430427. The next prime is 2531430469. The reversal of 2531430450 is 540341352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7666 + ... + 71565.

It is an arithmetic number, because the mean of its divisors is an integer number (95791488).

Almost surely, 2^2531430450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2531430450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3448493568).

2531430450 is an abundant number, since it is smaller than the sum of its proper divisors (4365556686).

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

2531430450 is a wasteful number, since it uses less digits than its factorization.

2531430450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79320 (or 79312 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2531430450 is about 50313.3227883033. The cubic root of 2531430450 is about 1362.8728289816.

The spelling of 2531430450 in words is "two billion, five hundred thirty-one million, four hundred thirty thousand, four hundred fifty".