425504533 has 2 divisors, whose sum is σ = 425504534. Its totient is φ = 425504532.

The previous prime is 425504503. The next prime is 425504537. The reversal of 425504533 is 335405524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311804964 + 113699569 = 17658^2 + 10663^2 .

It is a cyclic number.

It is not a de Polignac number, because 425504533 - 2¹⁷ = 425373461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425504495 and 425504504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425504537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212752266 + 212752267.

It is an arithmetic number, because the mean of its divisors is an integer number (212752267).

Almost surely, 2^425504533 is an apocalyptic number.

It is an amenable number.

425504533 is a deficient number, since it is larger than the sum of its proper divisors (1).

425504533 is an equidigital number, since it uses as much as digits as its factorization.

425504533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 425504533 is about 20627.7612212281. The cubic root of 425504533 is about 752.1446955657.

Subtracting from 425504533 its reverse (335405524), we obtain a palindrome (90099009).

The spelling of 425504533 in words is "four hundred twenty-five million, five hundred four thousand, five hundred thirty-three".