2501100421 has 8 divisors (see below), whose sum is σ = 2536246400. Its totient is φ = 2466041760.

The previous prime is 2501100323. The next prime is 2501100439. The reversal of 2501100421 is 1240011052.

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 2501100421 - 2²³ = 2492711813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501100395 and 2501100404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501100221) 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, 36961 + ... + 79801.

It is an arithmetic number, because the mean of its divisors is an integer number (317030800).

Almost surely, 2^2501100421 is an apocalyptic number.

It is an amenable number.

2501100421 is a deficient number, since it is larger than the sum of its proper divisors (35145979).

2501100421 is an equidigital number, since it uses as much as digits as its factorization.

2501100421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43659.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2501100421 is about 50011.0029993401. The cubic root of 2501100421 is about 1357.4079125637.

Adding to 2501100421 its reverse (1240011052), we get a palindrome (3741111473).

The spelling of 2501100421 in words is "two billion, five hundred one million, one hundred thousand, four hundred twenty-one".