2481357261 has 16 divisors (see below), whose sum is σ = 3360095424. Its totient is φ = 1628461824.

The previous prime is 2481357253. The next prime is 2481357271. The reversal of 2481357261 is 1627531842.

2481357261 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2481357261 - 2³ = 2481357253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481357251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393445 + ... + 399701.

It is an arithmetic number, because the mean of its divisors is an integer number (210005964).

Almost surely, 2^2481357261 is an apocalyptic number.

It is an amenable number.

2481357261 is a deficient number, since it is larger than the sum of its proper divisors (878738163).

2481357261 is a wasteful number, since it uses less digits than its factorization.

2481357261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300.

The product of its digits is 80640, while the sum is 39.

The square root of 2481357261 is about 49813.2237563481. The cubic root of 2481357261 is about 1353.8267756564.

The spelling of 2481357261 in words is "two billion, four hundred eighty-one million, three hundred fifty-seven thousand, two hundred sixty-one".