25743601 has 24 divisors (see below), whose sum is σ = 30041280. Its totient is φ = 21992256.

The previous prime is 25743589. The next prime is 25743607. The reversal of 25743601 is 10634752.

It is not a de Polignac number, because 25743601 - 2²³ = 17354993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25743601.

It is not an unprimeable number, because it can be changed into a prime (25743607) 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 23 ways as a sum of consecutive naturals, for example, 143730 + ... + 143908.

It is an arithmetic number, because the mean of its divisors is an integer number (1251720).

Almost surely, 2^25743601 is an apocalyptic number.

It is an amenable number.

25743601 is a deficient number, since it is larger than the sum of its proper divisors (4297679).

25743601 is a wasteful number, since it uses less digits than its factorization.

25743601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 25743601 is about 5073.8152311648. The cubic root of 25743601 is about 295.2725662396.

The spelling of 25743601 in words is "twenty-five million, seven hundred forty-three thousand, six hundred one".