25070479 has 4 divisors (see below), whose sum is σ = 28651984. Its totient is φ = 21488976.

The previous prime is 25070477. The next prime is 25070489. The reversal of 25070479 is 97407052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25070479 - 2¹ = 25070477 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 (25070477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790742 + ... + 1790755.

It is an arithmetic number, because the mean of its divisors is an integer number (7162996).

Almost surely, 2^25070479 is an apocalyptic number.

25070479 is a deficient number, since it is larger than the sum of its proper divisors (3581505).

25070479 is an equidigital number, since it uses as much as digits as its factorization.

25070479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581504.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 25070479 is about 5007.0429397000. The cubic root of 25070479 is about 292.6762918075.

The spelling of 25070479 in words is "twenty-five million, seventy thousand, four hundred seventy-nine".