633425 has 12 divisors (see below), whose sum is σ = 846300. Its totient is φ = 467520.

The previous prime is 633407. The next prime is 633427. The reversal of 633425 is 524336.

It can be written as a sum of positive squares in 6 ways, for example, as 18769 + 614656 = 137^2 + 784^2 .

It is not a de Polignac number, because 633425 - 2¹⁸ = 371281 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁶ + 3⁵ + 4³ + 3¹⁰ + 2¹⁹ + 5⁵ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 633425.

It is not an unprimeable number, because it can be changed into a prime (633427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (70525).

2⁶³³⁴²⁵ is an apocalyptic number.

633425 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

633425 is the 650-th pentagonal number.

It is an amenable number.

633425 is a deficient number, since it is larger than the sum of its proper divisors (212875).

633425 is a wasteful number, since it uses less digits than its factorization.

633425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1967 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 633425 is about 795.8800160828. The cubic root of 633425 is about 85.8812585178.

The spelling of 633425 in words is "six hundred thirty-three thousand, four hundred twenty-five".