25773013 has 8 divisors (see below), whose sum is σ = 29500928. Its totient is φ = 22056624.

The previous prime is 25773001. The next prime is 25773023. The reversal of 25773013 is 31037752.

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

It is a cyclic number.

It is not a de Polignac number, because 25773013 - 2¹³ = 25764821 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 (25773023) 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, 2620 + ... + 7642.

It is an arithmetic number, because the mean of its divisors is an integer number (3687616).

Almost surely, 2^25773013 is an apocalyptic number.

It is an amenable number.

25773013 is a deficient number, since it is larger than the sum of its proper divisors (3727915).

25773013 is an equidigital number, since it uses as much as digits as its factorization.

25773013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 25773013 is about 5076.7128144105. The cubic root of 25773013 is about 295.3849728328.

The spelling of 25773013 in words is "twenty-five million, seven hundred seventy-three thousand, thirteen".