25670627252 has 6 divisors (see below), whose sum is σ = 44923597698. Its totient is φ = 12835313624.

The previous prime is 25670627251. The next prime is 25670627299. The reversal of 25670627252 is 25272607652.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22573259536 + 3097367716 = 150244^2 + 55654^2 .

It is a super-2 number, since 2×25670627252² (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 (25670627251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208828403 + ... + 3208828410.

It is an arithmetic number, because the mean of its divisors is an integer number (7487266283).

Almost surely, 2^25670627252 is an apocalyptic number.

It is an amenable number.

25670627252 is a deficient number, since it is larger than the sum of its proper divisors (19252970446).

25670627252 is a wasteful number, since it uses less digits than its factorization.

25670627252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6417656817 (or 6417656815 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 25670627252 in words is "twenty-five billion, six hundred seventy million, six hundred twenty-seven thousand, two hundred fifty-two".