2427595381 has 2 divisors, whose sum is σ = 2427595382. Its totient is φ = 2427595380.

The previous prime is 2427595319. The next prime is 2427595397. The reversal of 2427595381 is 1835957242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1356080625 + 1071514756 = 36825^2 + 32734^2 .

It is a cyclic number.

It is not a de Polignac number, because 2427595381 - 2²³ = 2419206773 is a prime.

It is a super-2 number, since 2×2427595381² = 11786438667705070322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2427595081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1213797690 + 1213797691.

It is an arithmetic number, because the mean of its divisors is an integer number (1213797691).

Almost surely, 2^2427595381 is an apocalyptic number.

It is an amenable number.

2427595381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2427595381 is an equidigital number, since it uses as much as digits as its factorization.

2427595381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 2427595381 is about 49270.6340633039. The cubic root of 2427595381 is about 1343.9778178988.

The spelling of 2427595381 in words is "two billion, four hundred twenty-seven million, five hundred ninety-five thousand, three hundred eighty-one".