425403401 has 2 divisors, whose sum is σ = 425403402. Its totient is φ = 425403400.

The previous prime is 425403389. The next prime is 425403409. The reversal of 425403401 is 104304524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328479376 + 96924025 = 18124^2 + 9845^2 .

It is a cyclic number.

It is not a de Polignac number, because 425403401 - 2⁶ = 425403337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425403409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212701700 + 212701701.

It is an arithmetic number, because the mean of its divisors is an integer number (212701701).

Almost surely, 2^425403401 is an apocalyptic number.

It is an amenable number.

425403401 is a deficient number, since it is larger than the sum of its proper divisors (1).

425403401 is an equidigital number, since it uses as much as digits as its factorization.

425403401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 425403401 is about 20625.3097188866. The cubic root of 425403401 is about 752.0851020568.

Adding to 425403401 its reverse (104304524), we get a palindrome (529707925).

The spelling of 425403401 in words is "four hundred twenty-five million, four hundred three thousand, four hundred one".