25334643 has 16 divisors (see below), whose sum is σ = 34491776. Its totient is φ = 16536960.

The previous prime is 25334633. The next prime is 25334653. The reversal of 25334643 is 34643352.

It is an interprime number because it is at equal distance from previous prime (25334633) and next prime (25334653).

It is not a de Polignac number, because 25334643 - 2¹⁰ = 25333619 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 25334643.

It is not an unprimeable number, because it can be changed into a prime (25334623) 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, 48180 + ... + 48702.

It is an arithmetic number, because the mean of its divisors is an integer number (2155736).

Almost surely, 2^25334643 is an apocalyptic number.

25334643 is a deficient number, since it is larger than the sum of its proper divisors (9157133).

25334643 is a wasteful number, since it uses less digits than its factorization.

25334643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 25920, while the sum is 30.

The square root of 25334643 is about 5033.3530573565. The cubic root of 25334643 is about 293.7006648397.

Adding to 25334643 its reverse (34643352), we get a palindrome (59977995).

The spelling of 25334643 in words is "twenty-five million, three hundred thirty-four thousand, six hundred forty-three".