25730837 has 16 divisors (see below), whose sum is σ = 29474304. Its totient is φ = 22248000.

The previous prime is 25730827. The next prime is 25730849. The reversal of 25730837 is 73803752.

It is a cyclic number.

It is not a de Polignac number, because 25730837 - 2¹⁰ = 25729813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25730797 and 25730806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25730827) 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, 20183 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (1842144).

Almost surely, 2^25730837 is an apocalyptic number.

It is an amenable number.

25730837 is a deficient number, since it is larger than the sum of its proper divisors (3743467).

25730837 is a wasteful number, since it uses less digits than its factorization.

25730837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 25730837 is about 5072.5572446252. The cubic root of 25730837 is about 295.2237582260.

The spelling of 25730837 in words is "twenty-five million, seven hundred thirty thousand, eight hundred thirty-seven".