2520302434 has 16 divisors (see below), whose sum is σ = 4181293368. Its totient is φ = 1131777792.

The previous prime is 2520302417. The next prime is 2520302459. The reversal of 2520302434 is 4342030252.

It can be written as a sum of positive squares in 4 ways, for example, as 2505503025 + 14799409 = 50055^2 + 3847^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2520302399 and 2520302408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1308967 + ... + 1310890.

Almost surely, 2^2520302434 is an apocalyptic number.

2520302434 is a deficient number, since it is larger than the sum of its proper divisors (1660990934).

2520302434 is a wasteful number, since it uses less digits than its factorization.

2520302434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619909.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2520302434 is about 50202.6138164140. The cubic root of 2520302434 is about 1360.8728598700.

Adding to 2520302434 its reverse (4342030252), we get a palindrome (6862332686).

The spelling of 2520302434 in words is "two billion, five hundred twenty million, three hundred two thousand, four hundred thirty-four".