5124421525 has 12 divisors (see below), whose sum is σ = 6355526752. Its totient is φ = 4098734640.

The previous prime is 5124421517. The next prime is 5124421529. The reversal of 5124421525 is 5251244215.

It is not a de Polignac number, because 5124421525 - 2³ = 5124421517 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5124421529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133114 + ... + 167236.

Almost surely, 2^5124421525 is an apocalyptic number.

It is an amenable number.

5124421525 is a deficient number, since it is larger than the sum of its proper divisors (1231105227).

5124421525 is a wasteful number, since it uses less digits than its factorization.

5124421525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40140 (or 40135 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 5124421525 is about 71585.0649577131. The cubic root of 5124421525 is about 1724.0437492150.

The spelling of 5124421525 in words is "five billion, one hundred twenty-four million, four hundred twenty-one thousand, five hundred twenty-five".