2475421 has 16 divisors (see below), whose sum is σ = 2951424. Its totient is φ = 2052864.

The previous prime is 2475397. The next prime is 2475427. The reversal of 2475421 is 1245742.

It is a cyclic number.

It is not a de Polignac number, because 2475421 - 2⁹ = 2474909 is a prime.

It is a super-2 number, since 2×2475421² = 12255418254482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2475427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840 + ... + 5326.

It is an arithmetic number, because the mean of its divisors is an integer number (184464).

2^2475421 is an apocalyptic number.

It is an amenable number.

2475421 is a deficient number, since it is larger than the sum of its proper divisors (476003).

2475421 is a wasteful number, since it uses less digits than its factorization.

2475421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540.

The product of its digits is 2240, while the sum is 25.

The square root of 2475421 is about 1573.3470691491. The cubic root of 2475421 is about 135.2746306972.

The spelling of 2475421 in words is "two million, four hundred seventy-five thousand, four hundred twenty-one".