25750014533 has 4 divisors (see below), whose sum is σ = 25781844780. Its totient is φ = 25718184288.

The previous prime is 25750014463. The next prime is 25750014547. The reversal of 25750014533 is 33541005752.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13079810689 + 12670203844 = 114367^2 + 112562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25750014533 is a prime.

It is a super-2 number, since 2×25750014533² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25750014493 and 25750014502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25750014553) 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, 15913910 + ... + 15915527.

It is an arithmetic number, because the mean of its divisors is an integer number (6445461195).

Almost surely, 2^25750014533 is an apocalyptic number.

It is an amenable number.

25750014533 is a deficient number, since it is larger than the sum of its proper divisors (31830247).

25750014533 is an equidigital number, since it uses as much as digits as its factorization.

25750014533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31830246.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 25750014533 in words is "twenty-five billion, seven hundred fifty million, fourteen thousand, five hundred thirty-three".