252425455501 has 8 divisors (see below), whose sum is σ = 254819598264. Its totient is φ = 250039307520.

The previous prime is 252425455487. The next prime is 252425455543. The reversal of 252425455501 is 105554524252.

It can be written as a sum of positive squares in 4 ways, for example, as 13099031401 + 239326424100 = 114451^2 + 489210^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252425455501 is a prime.

It is a super-2 number, since 2×252425455501² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252425455591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1935240 + ... + 2061553.

It is an arithmetic number, because the mean of its divisors is an integer number (31852449783).

Almost surely, 2^252425455501 is an apocalyptic number.

It is an amenable number.

252425455501 is a deficient number, since it is larger than the sum of its proper divisors (2394142763).

252425455501 is a wasteful number, since it uses less digits than its factorization.

252425455501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997391.

The product of its (nonzero) digits is 400000, while the sum is 40.

Adding to 252425455501 its reverse (105554524252), we get a palindrome (357979979753).

The spelling of 252425455501 in words is "two hundred fifty-two billion, four hundred twenty-five million, four hundred fifty-five thousand, five hundred one".