2421475 has 24 divisors (see below), whose sum is σ = 3490848. Its totient is φ = 1632000.

The previous prime is 2421473. The next prime is 2421491. The reversal of 2421475 is 5741242.

2421475 = T₇₁ + T₇₂ + ... + T₂₄₅.

It is not a de Polignac number, because 2421475 - 2¹ = 2421473 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an Ulam 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 (2421473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17607 + ... + 17743.

It is an arithmetic number, because the mean of its divisors is an integer number (145452).

2^2421475 is an apocalyptic number.

2421475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2421475 is a deficient number, since it is larger than the sum of its proper divisors (1069373).

2421475 is a wasteful number, since it uses less digits than its factorization.

2421475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 250 counting only the distinct ones).

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

The square root of 2421475 is about 1556.1089293491. The cubic root of 2421475 is about 134.2847401792.

The spelling of 2421475 in words is "two million, four hundred twenty-one thousand, four hundred seventy-five".