2645100 has 54 divisors (see below), whose sum is σ = 8293740. Its totient is φ = 705120.

The previous prime is 2645099. The next prime is 2645101. The reversal of 2645100 is 15462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2645099) and next prime (2645101).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2645101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 570 + ... + 2369.

2^2645100 is an apocalyptic number.

2645100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2645100 is an abundant number, since it is smaller than the sum of its proper divisors (5648640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645100 is a wasteful number, since it uses less digits than its factorization.

2645100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2645100 is about 1626.3763402116. The cubic root of 2645100 is about 138.2974052273.

The spelling of 2645100 in words is "two million, six hundred forty-five thousand, one hundred".