2405420401 has 2 divisors, whose sum is σ = 2405420402. Its totient is φ = 2405420400.

The previous prime is 2405420377. The next prime is 2405420411. The reversal of 2405420401 is 1040245042.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1274847025 + 1130573376 = 35705^2 + 33624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405420401 - 2¹³ = 2405412209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2405420411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202710200 + 1202710201.

It is an arithmetic number, because the mean of its divisors is an integer number (1202710201).

Almost surely, 2^2405420401 is an apocalyptic number.

It is an amenable number.

2405420401 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405420401 is an equidigital number, since it uses as much as digits as its factorization.

2405420401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2405420401 is about 49045.0853908931. The cubic root of 2405420401 is about 1339.8730853662.

Adding to 2405420401 its reverse (1040245042), we get a palindrome (3445665443).

The spelling of 2405420401 in words is "two billion, four hundred five million, four hundred twenty thousand, four hundred one".