25534253001 has 8 divisors (see below), whose sum is σ = 34233769024. Its totient is φ = 16928786160.

The previous prime is 25534252993. The next prime is 25534253009. The reversal of 25534253001 is 10035243552.

It is an interprime number because it is at equal distance from previous prime (25534252993) and next prime (25534253009).

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

It is not a de Polignac number, because 25534253001 - 2³ = 25534252993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25534253001.

It is not an unprimeable number, because it can be changed into a prime (25534253009) 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, 23511661 + ... + 23512746.

It is an arithmetic number, because the mean of its divisors is an integer number (4279221128).

Almost surely, 2^25534253001 is an apocalyptic number.

It is an amenable number.

25534253001 is a deficient number, since it is larger than the sum of its proper divisors (8699516023).

25534253001 is a wasteful number, since it uses less digits than its factorization.

25534253001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47024591.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 25534253001 its reverse (10035243552), we get a palindrome (35569496553).

The spelling of 25534253001 in words is "twenty-five billion, five hundred thirty-four million, two hundred fifty-three thousand, one".