25401210452 has 12 divisors (see below), whose sum is σ = 44859936660. Its totient is φ = 12584085696.

The previous prime is 25401210431. The next prime is 25401210481.

25401210452 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 8972636176 + 16428574276 = 94724^2 + 128174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29129393 + ... + 29130264.

It is an arithmetic number, because the mean of its divisors is an integer number (3738328055).

Almost surely, 2^25401210452 is an apocalyptic number.

It is an amenable number.

25401210452 is a deficient number, since it is larger than the sum of its proper divisors (19458726208).

25401210452 is a wasteful number, since it uses less digits than its factorization.

25401210452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58259770 (or 58259768 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 25401210452 in words is "twenty-five billion, four hundred one million, two hundred ten thousand, four hundred fifty-two".