245042401 has 2 divisors, whose sum is σ = 245042402. Its totient is φ = 245042400.

The previous prime is 245042389. The next prime is 245042407. The reversal of 245042401 is 104240542.

It is a happy number.

245042401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237622225 + 7420176 = 15415^2 + 2724^2 .

It is a cyclic number.

It is not a de Polignac number, because 245042401 - 2⁹ = 245041889 is a prime.

It is not a weakly prime, because it can be changed into another prime (245042407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122521200 + 122521201.

It is an arithmetic number, because the mean of its divisors is an integer number (122521201).

Almost surely, 2^245042401 is an apocalyptic number.

It is an amenable number.

245042401 is a deficient number, since it is larger than the sum of its proper divisors (1).

245042401 is an equidigital number, since it uses as much as digits as its factorization.

245042401 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 245042401 is about 15653.8302341631. The cubic root of 245042401 is about 625.7685700128.

Adding to 245042401 its reverse (104240542), we get a palindrome (349282943).

The spelling of 245042401 in words is "two hundred forty-five million, forty-two thousand, four hundred one".