2651633 has 4 divisors (see below), whose sum is σ = 2672640. Its totient is φ = 2630628.

The previous prime is 2651629. The next prime is 2651639. The reversal of 2651633 is 3361562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2651633 - 2² = 2651629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10313 + ... + 10566.

It is an arithmetic number, because the mean of its divisors is an integer number (668160).

2^2651633 is an apocalyptic number.

It is an amenable number.

2651633 is a deficient number, since it is larger than the sum of its proper divisors (21007).

2651633 is a wasteful number, since it uses less digits than its factorization.

2651633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21006.

The product of its digits is 3240, while the sum is 26.

The square root of 2651633 is about 1628.3835543262. The cubic root of 2651633 is about 138.4111695631.

The spelling of 2651633 in words is "two million, six hundred fifty-one thousand, six hundred thirty-three".