2520205274 has 4 divisors (see below), whose sum is σ = 3780307914. Its totient is φ = 1260102636.

The previous prime is 2520205253. The next prime is 2520205297. The reversal of 2520205274 is 4725020252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2241549025 + 278656249 = 47345^2 + 16693^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630051317 + ... + 630051320.

Almost surely, 2^2520205274 is an apocalyptic number.

2520205274 is a deficient number, since it is larger than the sum of its proper divisors (1260102640).

2520205274 is a wasteful number, since it uses less digits than its factorization.

2520205274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260102639.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 2520205274 is about 50201.6461283891. The cubic root of 2520205274 is about 1360.8553720077.

The spelling of 2520205274 in words is "two billion, five hundred twenty million, two hundred five thousand, two hundred seventy-four".