1651132533 has 32 divisors (see below), whose sum is σ = 2358411264. Its totient is φ = 1025019072.

The previous prime is 1651132453. The next prime is 1651132537. The reversal of 1651132533 is 3352311561.

It is not a de Polignac number, because 1651132533 - 2¹³ = 1651124341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1651132533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1651132537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1135635 + ... + 1137087.

It is an arithmetic number, because the mean of its divisors is an integer number (73700352).

Almost surely, 2^1651132533 is an apocalyptic number.

It is an amenable number.

1651132533 is a deficient number, since it is larger than the sum of its proper divisors (707278731).

1651132533 is a wasteful number, since it uses less digits than its factorization.

1651132533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905.

The product of its digits is 8100, while the sum is 30.

The square root of 1651132533 is about 40634.1301494200. The cubic root of 1651132533 is about 1181.9360473127.

The spelling of 1651132533 in words is "one billion, six hundred fifty-one million, one hundred thirty-two thousand, five hundred thirty-three".