425136469 has 2 divisors, whose sum is σ = 425136470. Its totient is φ = 425136468.

The previous prime is 425136463. The next prime is 425136473. The reversal of 425136469 is 964631524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 373842225 + 51294244 = 19335^2 + 7162^2 .

It is a cyclic number.

It is not a de Polignac number, because 425136469 - 2²³ = 416747861 is a prime.

It is a super-2 number, since 2×425136469² = 361482034547575922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425136463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212568234 + 212568235.

It is an arithmetic number, because the mean of its divisors is an integer number (212568235).

Almost surely, 2^425136469 is an apocalyptic number.

It is an amenable number.

425136469 is a deficient number, since it is larger than the sum of its proper divisors (1).

425136469 is an equidigital number, since it uses as much as digits as its factorization.

425136469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 425136469 is about 20618.8377218504. The cubic root of 425136469 is about 751.9277630976.

The spelling of 425136469 in words is "four hundred twenty-five million, one hundred thirty-six thousand, four hundred sixty-nine".