2541251405 has 32 divisors (see below), whose sum is σ = 3839678208. Its totient is φ = 1568448000.

The previous prime is 2541251369. The next prime is 2541251407. The reversal of 2541251405 is 5041521452.

It is not a de Polignac number, because 2541251405 - 2¹² = 2541247309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2541251407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6209 + ... + 71561.

It is an arithmetic number, because the mean of its divisors is an integer number (119989944).

Almost surely, 2^2541251405 is an apocalyptic number.

It is an amenable number.

2541251405 is a deficient number, since it is larger than the sum of its proper divisors (1298426803).

2541251405 is a wasteful number, since it uses less digits than its factorization.

2541251405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65477.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 2541251405 is about 50410.8262677770. The cubic root of 2541251405 is about 1364.6330249206.

Adding to 2541251405 its reverse (5041521452), we get a palindrome (7582772857).

The spelling of 2541251405 in words is "two billion, five hundred forty-one million, two hundred fifty-one thousand, four hundred five".