2505142450 has 24 divisors (see below), whose sum is σ = 4674480948. Its totient is φ = 998849280.

The previous prime is 2505142447. The next prime is 2505142459. The reversal of 2505142450 is 542415052.

It can be written as a sum of positive squares in 6 ways, for example, as 191628649 + 2313513801 = 13843^2 + 48099^2 .

It is not an unprimeable number, because it can be changed into a prime (2505142459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64387 + ... + 95686.

Almost surely, 2^2505142450 is an apocalyptic number.

2505142450 is a deficient number, since it is larger than the sum of its proper divisors (2169338498).

2505142450 is a wasteful number, since it uses less digits than its factorization.

2505142450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160398 (or 160393 counting only the distinct ones).

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

The square root of 2505142450 is about 50051.3980823713. The cubic root of 2505142450 is about 1358.1387547530.

The spelling of 2505142450 in words is "two billion, five hundred five million, one hundred forty-two thousand, four hundred fifty".