425501 has 2 divisors, whose sum is σ = 425502. Its totient is φ = 425500.

The previous prime is 425489. The next prime is 425519. The reversal of 425501 is 105524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 106276 = 565^2 + 326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425501 is a prime.

It is a super-2 number, since 2×425501² = 362102202002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425501.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425501.

It is not a weakly prime, because it can be changed into another prime (425521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212750 + 212751.

It is an arithmetic number, because the mean of its divisors is an integer number (212751).

2⁴²⁵⁵⁰¹ is an apocalyptic number.

It is an amenable number.

425501 is a deficient number, since it is larger than the sum of its proper divisors (1).

425501 is an equidigital number, since it uses as much as digits as its factorization.

425501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 425501 is about 652.3043768058. The cubic root of 425501 is about 75.2142613853.

The spelling of 425501 in words is "four hundred twenty-five thousand, five hundred one".