5251012890 has 32 divisors (see below), whose sum is σ = 13036999680. Its totient is φ = 1351984704.

The previous prime is 5251012867. The next prime is 5251012891. The reversal of 5251012890 is 982101525.

It is not an unprimeable number, because it can be changed into a prime (5251012891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3016954 + ... + 3018693.

It is an arithmetic number, because the mean of its divisors is an integer number (407406240).

Almost surely, 2^5251012890 is an apocalyptic number.

5251012890 is an abundant number, since it is smaller than the sum of its proper divisors (7785986790).

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

5251012890 is a wasteful number, since it uses less digits than its factorization.

5251012890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035686.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 5251012890 is about 72463.8729988951. The cubic root of 5251012890 is about 1738.1250877202.

The spelling of 5251012890 in words is "five billion, two hundred fifty-one million, twelve thousand, eight hundred ninety".