2625645133 has 4 divisors (see below), whose sum is σ = 2629630080. Its totient is φ = 2621660188.

The previous prime is 2625645091. The next prime is 2625645137. The reversal of 2625645133 is 3315465262.

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 a de Polignac number, because none of the positive numbers 2^k-2625645133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2625645092 and 2625645101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625645137) 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, 1991485 + ... + 1992802.

It is an arithmetic number, because the mean of its divisors is an integer number (657407520).

Almost surely, 2^2625645133 is an apocalyptic number.

It is an amenable number.

2625645133 is a deficient number, since it is larger than the sum of its proper divisors (3984947).

2625645133 is an equidigital number, since it uses as much as digits as its factorization.

2625645133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984946.

The product of its digits is 129600, while the sum is 37.

The square root of 2625645133 is about 51241.0492964381. The cubic root of 2625645133 is about 1379.5750867455.

The spelling of 2625645133 in words is "two billion, six hundred twenty-five million, six hundred forty-five thousand, one hundred thirty-three".