25000252273 has 4 divisors (see below), whose sum is σ = 25000630848. Its totient is φ = 24999873700.

The previous prime is 25000252271. The next prime is 25000252283. The reversal of 25000252273 is 37225200052.

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 a cyclic number.

It is not a de Polignac number, because 25000252273 - 2¹ = 25000252271 is a prime.

It is a super-2 number, since 2×25000252273² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25000252271) 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, 61453 + ... + 231898.

It is an arithmetic number, because the mean of its divisors is an integer number (6250157712).

Almost surely, 2^25000252273 is an apocalyptic number.

It is an amenable number.

25000252273 is a deficient number, since it is larger than the sum of its proper divisors (378575).

25000252273 is an equidigital number, since it uses as much as digits as its factorization.

25000252273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378574.

The product of its (nonzero) digits is 8400, while the sum is 28.

The spelling of 25000252273 in words is "twenty-five billion, two hundred fifty-two thousand, two hundred seventy-three".