2475021 has 4 divisors (see below), whose sum is σ = 3300032. Its totient is φ = 1650012.

The previous prime is 2475019. The next prime is 2475023. The reversal of 2475021 is 1205742.

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 an interprime number because it is at equal distance from previous prime (2475019) and next prime (2475023).

It is not a de Polignac number, because 2475021 - 2¹ = 2475019 is a prime.

It is a super-2 number, since 2×2475021² = 12251457900882, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475023) 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, 412501 + ... + 412506.

It is an arithmetic number, because the mean of its divisors is an integer number (825008).

2^2475021 is an apocalyptic number.

It is an amenable number.

2475021 is a deficient number, since it is larger than the sum of its proper divisors (825011).

2475021 is an equidigital number, since it uses as much as digits as its factorization.

2475021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825010.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 2475021 is about 1573.2199464792. The cubic root of 2475021 is about 135.2673440219.

The spelling of 2475021 in words is "two million, four hundred seventy-five thousand, twenty-one".