26870425 has 12 divisors (see below), whose sum is σ = 33497980. Its totient is φ = 21381120.

The previous prime is 26870419. The next prime is 26870449. The reversal of 26870425 is 52407862.

26870425 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 6 ways, for example, as 5089536 + 21780889 = 2256^2 + 4667^2 .

It is not a de Polignac number, because 26870425 - 2¹⁹ = 26346137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2041 + ... + 7609.

Almost surely, 2^26870425 is an apocalyptic number.

26870425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26870425 is a deficient number, since it is larger than the sum of its proper divisors (6627555).

26870425 is a wasteful number, since it uses less digits than its factorization.

26870425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 26870425 is about 5183.6690673692. The cubic root of 26870425 is about 299.5193228355.

The spelling of 26870425 in words is "twenty-six million, eight hundred seventy thousand, four hundred twenty-five".