1654112505 has 32 divisors (see below), whose sum is σ = 2764958976. Its totient is φ = 842825984.

The previous prime is 1654112479. The next prime is 1654112513. The reversal of 1654112505 is 5052114561.

1654112505 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1654112505 - 2⁶ = 1654112441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 347119 + ... + 351851.

It is an arithmetic number, because the mean of its divisors is an integer number (86404968).

Almost surely, 2^1654112505 is an apocalyptic number.

1654112505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1654112505 is a deficient number, since it is larger than the sum of its proper divisors (1110846471).

1654112505 is a wasteful number, since it uses less digits than its factorization.

1654112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 1654112505 is about 40670.7819570758. The cubic root of 1654112505 is about 1182.6466746055.

The spelling of 1654112505 in words is "one billion, six hundred fifty-four million, one hundred twelve thousand, five hundred five".