632345 has 24 divisors (see below), whose sum is σ = 923400. Its totient is φ = 413952.

The previous prime is 632329. The next prime is 632347. The reversal of 632345 is 543236.

It can be written as a sum of positive squares in 4 ways, for example, as 17689 + 614656 = 133^2 + 784^2 .

It is not a de Polignac number, because 632345 - 2⁴ = 632329 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 632345.

It is not an unprimeable number, because it can be changed into a prime (632347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7061 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (38475).

2⁶³²³⁴⁵ is an apocalyptic number.

It is an amenable number.

632345 is a deficient number, since it is larger than the sum of its proper divisors (291055).

632345 is a wasteful number, since it uses less digits than its factorization.

632345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 130 counting only the distinct ones).

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

The square root of 632345 is about 795.2012323934. The cubic root of 632345 is about 85.8324211003.

The spelling of 632345 in words is "six hundred thirty-two thousand, three hundred forty-five".