25770901 has 8 divisors (see below), whose sum is σ = 27793080. Its totient is φ = 23754432.

The previous prime is 25770887. The next prime is 25770931. The reversal of 25770901 is 10907752.

It can be written as a sum of positive squares in 4 ways, for example, as 8122500 + 17648401 = 2850^2 + 4201^2 .

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

It is not a de Polignac number, because 25770901 - 2¹⁷ = 25639829 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 (25770931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15171 + ... + 16783.

It is an arithmetic number, because the mean of its divisors is an integer number (3474135).

Almost surely, 2^25770901 is an apocalyptic number.

It is an amenable number.

25770901 is a deficient number, since it is larger than the sum of its proper divisors (2022179).

25770901 is a wasteful number, since it uses less digits than its factorization.

25770901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 25770901 is about 5076.5048015342. The cubic root of 25770901 is about 295.3769040556.

The spelling of 25770901 in words is "twenty-five million, seven hundred seventy thousand, nine hundred one".