525252673621 has 32 divisors (see below), whose sum is σ = 605363472000. Its totient is φ = 451727020800.

The previous prime is 525252673619. The next prime is 525252673633. The reversal of 525252673621 is 126376252525.

It is a cyclic number.

It is not a de Polignac number, because 525252673621 - 2¹ = 525252673619 is a prime.

It is a super-2 number, since 2×525252673621² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525252673601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3646450 + ... + 3787756.

It is an arithmetic number, because the mean of its divisors is an integer number (18917608500).

Almost surely, 2^525252673621 is an apocalyptic number.

It is an amenable number.

525252673621 is a deficient number, since it is larger than the sum of its proper divisors (80110798379).

525252673621 is a wasteful number, since it uses less digits than its factorization.

525252673621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141589.

The product of its digits is 1512000, while the sum is 46.

The spelling of 525252673621 in words is "five hundred twenty-five billion, two hundred fifty-two million, six hundred seventy-three thousand, six hundred twenty-one".