425400697 has 2 divisors, whose sum is σ = 425400698. Its totient is φ = 425400696.

The previous prime is 425400683. The next prime is 425400719. The reversal of 425400697 is 796004524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 393466896 + 31933801 = 19836^2 + 5651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425400697 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 425400697 parts by 29168 straight cuts.

It is equal to p_22616695 and since 425400697 and 22616695 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (425400607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212700348 + 212700349.

It is an arithmetic number, because the mean of its divisors is an integer number (212700349).

Almost surely, 2^425400697 is an apocalyptic number.

It is an amenable number.

425400697 is a deficient number, since it is larger than the sum of its proper divisors (1).

425400697 is an equidigital number, since it uses as much as digits as its factorization.

425400697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 425400697 is about 20625.2441682517. The cubic root of 425400697 is about 752.0835085557.

The spelling of 425400697 in words is "four hundred twenty-five million, four hundred thousand, six hundred ninety-seven".