2505540451 has 8 divisors (see below), whose sum is σ = 2515287600. Its totient is φ = 2495808672.

The previous prime is 2505540439. The next prime is 2505540473. The reversal of 2505540451 is 1540455052.

2505540451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2505540451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2505540481) 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, 402801 + ... + 408973.

It is an arithmetic number, because the mean of its divisors is an integer number (314410950).

Almost surely, 2^2505540451 is an apocalyptic number.

2505540451 is a deficient number, since it is larger than the sum of its proper divisors (9747149).

2505540451 is a wasteful number, since it uses less digits than its factorization.

2505540451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7685.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 2505540451 is about 50055.3738473703. The cubic root of 2505540451 is about 1358.2106750756.

The spelling of 2505540451 in words is "two billion, five hundred five million, five hundred forty thousand, four hundred fifty-one".