2505732154 has 16 divisors (see below), whose sum is σ = 3811970880. Its totient is φ = 1235092320.

The previous prime is 2505732137. The next prime is 2505732157. The reversal of 2505732154 is 4512375052.

It is not an unprimeable number, because it can be changed into a prime (2505732157) 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, 481989 + ... + 487159.

It is an arithmetic number, because the mean of its divisors is an integer number (238248180).

Almost surely, 2^2505732154 is an apocalyptic number.

2505732154 is a deficient number, since it is larger than the sum of its proper divisors (1306238726).

2505732154 is a wasteful number, since it uses less digits than its factorization.

2505732154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8565.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2505732154 is about 50057.2887200256. The cubic root of 2505732154 is about 1358.2453138326.

The spelling of 2505732154 in words is "two billion, five hundred five million, seven hundred thirty-two thousand, one hundred fifty-four".