25723401 has 16 divisors (see below), whose sum is σ = 37507008. Its totient is φ = 15552000.

The previous prime is 25723381. The next prime is 25723421. The reversal of 25723401 is 10432752.

It is an interprime number because it is at equal distance from previous prime (25723381) and next prime (25723421).

It is not a de Polignac number, because 25723401 - 2⁹ = 25722889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25723421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19185 + ... + 20481.

It is an arithmetic number, because the mean of its divisors is an integer number (2344188).

Almost surely, 2^25723401 is an apocalyptic number.

It is an amenable number.

25723401 is a deficient number, since it is larger than the sum of its proper divisors (11783607).

25723401 is a wasteful number, since it uses less digits than its factorization.

25723401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25723401 is about 5071.8242280268. The cubic root of 25723401 is about 295.1953164077.

The spelling of 25723401 in words is "twenty-five million, seven hundred twenty-three thousand, four hundred one".