33297000725 has 12 divisors (see below), whose sum is σ = 41311135680. Its totient is φ = 26622855600.

The previous prime is 33297000713. The next prime is 33297000727. The reversal of 33297000725 is 52700079233.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-33297000725 is a prime.

It is a super-2 number, since 2×33297000725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33297000727) 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, 322445 + ... + 412994.

It is an arithmetic number, because the mean of its divisors is an integer number (3442594640).

Almost surely, 2^33297000725 is an apocalyptic number.

It is an amenable number.

33297000725 is a deficient number, since it is larger than the sum of its proper divisors (8014134955).

33297000725 is a wasteful number, since it uses less digits than its factorization.

33297000725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737260 (or 737255 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 38.

Adding to 33297000725 its reverse (52700079233), we get a palindrome (85997079958).

The spelling of 33297000725 in words is "thirty-three billion, two hundred ninety-seven million, seven hundred twenty-five", and thus it is an aban number.