25333032021 has 12 divisors (see below), whose sum is σ = 37127198976. Its totient is φ = 15353352520.

The previous prime is 25333032019. The next prime is 25333032037. The reversal of 25333032021 is 12023033352.

It is not a de Polignac number, because 25333032021 - 2¹ = 25333032019 is a prime.

It is a super-2 number, since 2×25333032021² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25333031982 and 25333032000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25333034021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34893621 + ... + 34894346.

It is an arithmetic number, because the mean of its divisors is an integer number (3093933248).

Almost surely, 2^25333032021 is an apocalyptic number.

It is an amenable number.

25333032021 is a deficient number, since it is larger than the sum of its proper divisors (11794166955).

25333032021 is a wasteful number, since it uses less digits than its factorization.

25333032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69787992 (or 69787981 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 24.

Adding to 25333032021 its reverse (12023033352), we get a palindrome (37356065373).

The spelling of 25333032021 in words is "twenty-five billion, three hundred thirty-three million, thirty-two thousand, twenty-one".