25013433 has 4 divisors (see below), whose sum is σ = 33351248. Its totient is φ = 16675620.

The previous prime is 25013431. The next prime is 25013437. The reversal of 25013433 is 33431052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25013433 - 2¹ = 25013431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25013431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4168903 + ... + 4168908.

It is an arithmetic number, because the mean of its divisors is an integer number (8337812).

Almost surely, 2^25013433 is an apocalyptic number.

It is an amenable number.

25013433 is a deficient number, since it is larger than the sum of its proper divisors (8337815).

25013433 is an equidigital number, since it uses as much as digits as its factorization.

25013433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8337814.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 25013433 is about 5001.3431196030. The cubic root of 25013433 is about 292.4541355511.

Adding to 25013433 its reverse (33431052), we get a palindrome (58444485).

The spelling of 25013433 in words is "twenty-five million, thirteen thousand, four hundred thirty-three".