25070487 has 8 divisors (see below), whose sum is σ = 35998704. Its totient is φ = 15427968.

The previous prime is 25070477. The next prime is 25070489. The reversal of 25070487 is 78407052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25070487 - 2¹⁰ = 25069463 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25070489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321378 + ... + 321455.

It is an arithmetic number, because the mean of its divisors is an integer number (4499838).

Almost surely, 2^25070487 is an apocalyptic number.

25070487 is a deficient number, since it is larger than the sum of its proper divisors (10928217).

25070487 is a wasteful number, since it uses less digits than its factorization.

25070487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642849.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 25070487 is about 5007.0437385747. The cubic root of 25070487 is about 292.6763229386.

The spelling of 25070487 in words is "twenty-five million, seventy thousand, four hundred eighty-seven".