25730063 has 4 divisors (see below), whose sum is σ = 26055840. Its totient is φ = 25404288.

The previous prime is 25730057. The next prime is 25730071. The reversal of 25730063 is 36003752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25730063 - 2⁶ = 25729999 is a prime.

It is a super-2 number, since 2×25730063² = 1324072283967938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25730563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162770 + ... + 162927.

It is an arithmetic number, because the mean of its divisors is an integer number (6513960).

Almost surely, 2^25730063 is an apocalyptic number.

25730063 is a deficient number, since it is larger than the sum of its proper divisors (325777).

25730063 is an equidigital number, since it uses as much as digits as its factorization.

25730063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325776.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 25730063 is about 5072.4809511717. The cubic root of 25730063 is about 295.2207980233.

The spelling of 25730063 in words is "twenty-five million, seven hundred thirty thousand, sixty-three".