2512305400 has 96 divisors (see below), whose sum is σ = 6707606400. Its totient is φ = 865468800.

The previous prime is 2512305391. The next prime is 2512305413. The reversal of 2512305400 is 45032152.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11749 + ... + 71851.

It is an arithmetic number, because the mean of its divisors is an integer number (69870900).

Almost surely, 2^2512305400 is an apocalyptic number.

2512305400 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 2512305400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3353803200).

2512305400 is an abundant number, since it is smaller than the sum of its proper divisors (4195301000).

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

2512305400 is a wasteful number, since it uses less digits than its factorization.

2512305400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60149 (or 60140 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2512305400 is about 50122.9029486521. The cubic root of 2512305400 is about 1359.4319643368.

Adding to 2512305400 its reverse (45032152), we get a palindrome (2557337552).

The spelling of 2512305400 in words is "two billion, five hundred twelve million, three hundred five thousand, four hundred".