2421527 has 2 divisors, whose sum is σ = 2421528. Its totient is φ = 2421526.

The previous prime is 2421511. The next prime is 2421533. The reversal of 2421527 is 7251242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421527 - 2⁴ = 2421511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210763 + 1210764.

It is an arithmetic number, because the mean of its divisors is an integer number (1210764).

2^2421527 is an apocalyptic number.

2421527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421527 is an equidigital number, since it uses as much as digits as its factorization.

2421527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 23.

The square root of 2421527 is about 1556.1256376013. The cubic root of 2421527 is about 134.2857014055.

Adding to 2421527 its reverse (7251242), we get a palindrome (9672769).

It can be divided in two parts, 24215 and 27, that added together give a palindrome (24242).

The spelling of 2421527 in words is "two million, four hundred twenty-one thousand, five hundred twenty-seven".