25420323333 has 32 divisors (see below), whose sum is σ = 34796805120. Its totient is φ = 16502008320.

The previous prime is 25420323323. The next prime is 25420323347. The reversal of 25420323333 is 33332302452.

It is not a de Polignac number, because 25420323333 - 2¹⁷ = 25420192261 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25420323333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420323323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13614666 + ... + 13616532.

It is an arithmetic number, because the mean of its divisors is an integer number (1087400160).

Almost surely, 2^25420323333 is an apocalyptic number.

It is an amenable number.

25420323333 is a deficient number, since it is larger than the sum of its proper divisors (9376481787).

25420323333 is a wasteful number, since it uses less digits than its factorization.

25420323333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697.

The product of its (nonzero) digits is 38880, while the sum is 30.

Adding to 25420323333 its reverse (33332302452), we get a palindrome (58752625785).

The spelling of 25420323333 in words is "twenty-five billion, four hundred twenty million, three hundred twenty-three thousand, three hundred thirty-three".