5251402605 has 16 divisors (see below), whose sum is σ = 8405812800. Its totient is φ = 2799558528.

The previous prime is 5251402601. The next prime is 5251402627. The reversal of 5251402605 is 5062041525.

It is not a de Polignac number, because 5251402605 - 2² = 5251402601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251402601) 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, 37255 + ... + 109044.

It is an arithmetic number, because the mean of its divisors is an integer number (525363300).

Almost surely, 2^5251402605 is an apocalyptic number.

It is an amenable number.

5251402605 is a deficient number, since it is larger than the sum of its proper divisors (3154410195).

5251402605 is a wasteful number, since it uses less digits than its factorization.

5251402605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148700.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 5251402605 is about 72466.5619786119. The cubic root of 5251402605 is about 1738.1680861967.

The spelling of 5251402605 in words is "five billion, two hundred fifty-one million, four hundred two thousand, six hundred five".