25398343 has 4 divisors (see below), whose sum is σ = 25438608. Its totient is φ = 25358080.

The previous prime is 25398341. The next prime is 25398353. The reversal of 25398343 is 34389352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25398343 - 2¹ = 25398341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25398341) 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 3 ways as a sum of consecutive naturals, for example, 19171 + ... + 20452.

It is an arithmetic number, because the mean of its divisors is an integer number (6359652).

Almost surely, 2^25398343 is an apocalyptic number.

25398343 is a deficient number, since it is larger than the sum of its proper divisors (40265).

25398343 is an equidigital number, since it uses as much as digits as its factorization.

25398343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40264.

The product of its digits is 77760, while the sum is 37.

The square root of 25398343 is about 5039.6768745625. The cubic root of 25398343 is about 293.9466136269.

It can be divided in two parts, 253 and 98343, that added together give a square (98596 = 314²).

The spelling of 25398343 in words is "twenty-five million, three hundred ninety-eight thousand, three hundred forty-three".