6520252974 has 8 divisors (see below), whose sum is σ = 13040505960. Its totient is φ = 2173417656.

The previous prime is 6520252969. The next prime is 6520253027. The reversal of 6520252974 is 4792520256.

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

6520252974 is an admirable number.

It is a congruent number.

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, 543354409 + ... + 543354420.

It is an arithmetic number, because the mean of its divisors is an integer number (1630063245).

Almost surely, 2^6520252974 is an apocalyptic number.

6520252974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6520252974 is a wasteful number, since it uses less digits than its factorization.

6520252974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086708834.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 6520252974 is about 80748.0834075955. The cubic root of 6520252974 is about 1868.1918879876.

The spelling of 6520252974 in words is "six billion, five hundred twenty million, two hundred fifty-two thousand, nine hundred seventy-four".