1653132405 has 16 divisors (see below), whose sum is σ = 2682267264. Its totient is φ = 869252160.

The previous prime is 1653132401. The next prime is 1653132413. The reversal of 1653132405 is 5042313561.

It is not a de Polignac number, because 1653132405 - 2² = 1653132401 is a prime.

It is a super-3 number, since 3×1653132405³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1653132401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 775054 + ... + 777183.

It is an arithmetic number, because the mean of its divisors is an integer number (167641704).

Almost surely, 2^1653132405 is an apocalyptic number.

1653132405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1653132405 is a deficient number, since it is larger than the sum of its proper divisors (1029134859).

1653132405 is a wasteful number, since it uses less digits than its factorization.

1653132405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552316.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 1653132405 is about 40658.7309811804. The cubic root of 1653132405 is about 1182.4130466003.

Adding to 1653132405 its reverse (5042313561), we get a palindrome (6695445966).

The spelling of 1653132405 in words is "one billion, six hundred fifty-three million, one hundred thirty-two thousand, four hundred five".