24195481 has 2 divisors, whose sum is σ = 24195482. Its totient is φ = 24195480.

The previous prime is 24195473. The next prime is 24195491. The reversal of 24195481 is 18459142.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15872256 + 8323225 = 3984^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 24195481 - 2³ = 24195473 is a prime.

It is a super-2 number, since 2×24195481² = 1170842601642722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24195491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12097740 + 12097741.

It is an arithmetic number, because the mean of its divisors is an integer number (12097741).

Almost surely, 2^24195481 is an apocalyptic number.

It is an amenable number.

24195481 is a deficient number, since it is larger than the sum of its proper divisors (1).

24195481 is an equidigital number, since it uses as much as digits as its factorization.

24195481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

The square root of 24195481 is about 4918.8902203648. The cubic root of 24195481 is about 289.2309429028.

The spelling of 24195481 in words is "twenty-four million, one hundred ninety-five thousand, four hundred eighty-one".