25003052054501 has 4 divisors (see below), whose sum is σ = 25003427717100. Its totient is φ = 25002676391904.

The previous prime is 25003052054479. The next prime is 25003052054531. The reversal of 25003052054501 is 10545025030052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8946410013025 + 16056642041476 = 2991055^2 + 4007074^2 .

It is a cyclic number.

It is not a de Polignac number, because 25003052054501 - 2²⁶ = 25002984945637 is a prime.

It is a super-2 number, since 2×25003052054501² (a number of 28 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 (25003052054531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187731446 + ... + 187864583.

It is an arithmetic number, because the mean of its divisors is an integer number (6250856929275).

Almost surely, 2^{25003052054501} is an apocalyptic number.

It is an amenable number.

25003052054501 is a deficient number, since it is larger than the sum of its proper divisors (375662599).

25003052054501 is an equidigital number, since it uses as much as digits as its factorization.

25003052054501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375662598.

The product of its (nonzero) digits is 30000, while the sum is 32.

Adding to 25003052054501 its reverse (10545025030052), we get a palindrome (35548077084553).

The spelling of 25003052054501 in words is "twenty-five trillion, three billion, fifty-two million, fifty-four thousand, five hundred one".