25583061 has 16 divisors (see below), whose sum is σ = 40679424. Its totient is φ = 13983024.

The previous prime is 25583059. The next prime is 25583081. The reversal of 25583061 is 16038552.

It is not a de Polignac number, because 25583061 - 2¹ = 25583059 is a prime.

It is a super-4 number, since 4×25583061⁴ (a number of 31 digits) contains 4444 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25583081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26001 + ... + 26966.

It is an arithmetic number, because the mean of its divisors is an integer number (2542464).

Almost surely, 2^25583061 is an apocalyptic number.

25583061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25583061 is a deficient number, since it is larger than the sum of its proper divisors (15096363).

25583061 is a wasteful number, since it uses less digits than its factorization.

25583061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53000.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 25583061 is about 5057.9700473609. The cubic root of 25583061 is about 294.6575015804.

The spelling of 25583061 in words is "twenty-five million, five hundred eighty-three thousand, sixty-one".