2541503420 has 24 divisors (see below), whose sum is σ = 5360073264. Its totient is φ = 1012236416.

The previous prime is 2541503413. The next prime is 2541503423. The reversal of 2541503420 is 243051452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2541503420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541503423) 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, 268034 + ... + 277353.

It is an arithmetic number, because the mean of its divisors is an integer number (223336386).

Almost surely, 2^2541503420 is an apocalyptic number.

2541503420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541503420 is an abundant number, since it is smaller than the sum of its proper divisors (2818569844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2541503420 is a wasteful number, since it uses less digits than its factorization.

2541503420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545629 (or 545627 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2541503420 is about 50413.3258176844. The cubic root of 2541503420 is about 1364.6781334871.

Adding to 2541503420 its reverse (243051452), we get a palindrome (2784554872).

The spelling of 2541503420 in words is "two billion, five hundred forty-one million, five hundred three thousand, four hundred twenty".