2521449274 has 8 divisors (see below), whose sum is σ = 3844176948. Its totient is φ = 1240056960.

The previous prime is 2521449253. The next prime is 2521449289. The reversal of 2521449274 is 4729441252.

It can be written as a sum of positive squares in 2 ways, for example, as 1770305625 + 751143649 = 42075^2 + 27407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10333687 + ... + 10333930.

Almost surely, 2^2521449274 is an apocalyptic number.

2521449274 is a deficient number, since it is larger than the sum of its proper divisors (1322727674).

2521449274 is a wasteful number, since it uses less digits than its factorization.

2521449274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20667680.

The product of its digits is 161280, while the sum is 40.

The square root of 2521449274 is about 50214.0346317641. The cubic root of 2521449274 is about 1361.0792460483.

The spelling of 2521449274 in words is "two billion, five hundred twenty-one million, four hundred forty-nine thousand, two hundred seventy-four".