654885049 has 24 divisors (see below), whose sum is σ = 856094400. Its totient is φ = 495611424.

The previous prime is 654885031. The next prime is 654885053. The reversal of 654885049 is 940588456.

It is not a de Polignac number, because 654885049 - 2⁹ = 654884537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 654884993 and 654885011.

It is not an unprimeable number, because it can be changed into a prime (654885019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7699 + ... + 37000.

It is an arithmetic number, because the mean of its divisors is an integer number (35670600).

Almost surely, 2^654885049 is an apocalyptic number.

It is an amenable number.

654885049 is a deficient number, since it is larger than the sum of its proper divisors (201209351).

654885049 is a wasteful number, since it uses less digits than its factorization.

654885049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44749 (or 44742 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 49.

The square root of 654885049 is about 25590.7219319815. The cubic root of 654885049 is about 868.4037533706.

The spelling of 654885049 in words is "six hundred fifty-four million, eight hundred eighty-five thousand, forty-nine".