25252522301 has 4 divisors (see below), whose sum is σ = 25398490812. Its totient is φ = 25106553792.

The previous prime is 25252522289. The next prime is 25252522307. The reversal of 25252522301 is 10322525252.

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 19442119225 + 5810403076 = 139435^2 + 76226^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252522301 - 2²² = 25248327997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25252522307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72983996 + ... + 72984341.

It is an arithmetic number, because the mean of its divisors is an integer number (6349622703).

Almost surely, 2^25252522301 is an apocalyptic number.

It is an amenable number.

25252522301 is a deficient number, since it is larger than the sum of its proper divisors (145968511).

25252522301 is a wasteful number, since it uses less digits than its factorization.

25252522301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145968510.

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 25252522301 in words is "twenty-five billion, two hundred fifty-two million, five hundred twenty-two thousand, three hundred one".