25670152 has 8 divisors (see below), whose sum is σ = 48131550. Its totient is φ = 12835072.

The previous prime is 25670149. The next prime is 25670171. The reversal of 25670152 is 25107652.

It can be written as a sum of positive squares in only one way, i.e., 24147396 + 1522756 = 4914^2 + 1234^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 25670152.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1604377 + ... + 1604392.

Almost surely, 2^25670152 is an apocalyptic number.

It is an amenable number.

25670152 is a deficient number, since it is larger than the sum of its proper divisors (22461398).

25670152 is a wasteful number, since it uses less digits than its factorization.

25670152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208775 (or 3208771 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25670152 is about 5066.5720166598. The cubic root of 25670152 is about 294.9914849596.

Subtracting from 25670152 its reverse (25107652), we obtain a square (562500 = 750²).

The spelling of 25670152 in words is "twenty-five million, six hundred seventy thousand, one hundred fifty-two".