425299373 has 2 divisors, whose sum is σ = 425299374. Its totient is φ = 425299372.

The previous prime is 425299337. The next prime is 425299379. The reversal of 425299373 is 373992524.

Together with previous prime (425299337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213218404 + 212080969 = 14602^2 + 14563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425299373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425299379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212649686 + 212649687.

It is an arithmetic number, because the mean of its divisors is an integer number (212649687).

Almost surely, 2^425299373 is an apocalyptic number.

It is an amenable number.

425299373 is a deficient number, since it is larger than the sum of its proper divisors (1).

425299373 is an equidigital number, since it uses as much as digits as its factorization.

425299373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 425299373 is about 20622.7877116553. The cubic root of 425299373 is about 752.0237921824.

The spelling of 425299373 in words is "four hundred twenty-five million, two hundred ninety-nine thousand, three hundred seventy-three".