2500503225421 has 8 divisors (see below), whose sum is σ = 2540785515840. Its totient is φ = 2460308033568.

The previous prime is 2500503225413. The next prime is 2500503225431. The reversal of 2500503225421 is 1245223050052.

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

It is a cyclic number.

It is not a de Polignac number, because 2500503225421 - 2³ = 2500503225413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500503225401) 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, 21716761 + ... + 21831598.

It is an arithmetic number, because the mean of its divisors is an integer number (317598189480).

Almost surely, 2^{2500503225421} is an apocalyptic number.

It is an amenable number.

2500503225421 is a deficient number, since it is larger than the sum of its proper divisors (40282290419).

2500503225421 is an equidigital number, since it uses as much as digits as its factorization.

2500503225421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43549283.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 2500503225421 its reverse (1245223050052), we get a palindrome (3745726275473).

The spelling of 2500503225421 in words is "two trillion, five hundred billion, five hundred three million, two hundred twenty-five thousand, four hundred twenty-one".