2545401654 has 48 divisors (see below), whose sum is σ = 5645764800. Its totient is φ = 828441600.

The previous prime is 2545401629. The next prime is 2545401667. The reversal of 2545401654 is 4561045452.

2545401654 is a `hidden beast` number, since 2 + 54 + 540 + 1 + 65 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376504 + ... + 383204.

It is an arithmetic number, because the mean of its divisors is an integer number (117620100).

Almost surely, 2^2545401654 is an apocalyptic number.

2545401654 is an abundant number, since it is smaller than the sum of its proper divisors (3100363146).

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

2545401654 is a wasteful number, since it uses less digits than its factorization.

2545401654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7205 (or 7202 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 2545401654 is about 50451.9737374069. The cubic root of 2545401654 is about 1365.3755051117.

The spelling of 2545401654 in words is "two billion, five hundred forty-five million, four hundred one thousand, six hundred fifty-four".