25773011 has 4 divisors (see below), whose sum is σ = 28116024. Its totient is φ = 23430000.

The previous prime is 25773001. The next prime is 25773023. The reversal of 25773011 is 11037752.

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

It is not a de Polignac number, because 25773011 - 2¹⁸ = 25510867 is a prime.

It is a super-2 number, since 2×25773011² = 1328496192012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25773001) 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, 1171490 + ... + 1171511.

It is an arithmetic number, because the mean of its divisors is an integer number (7029006).

Almost surely, 2^25773011 is an apocalyptic number.

25773011 is a deficient number, since it is larger than the sum of its proper divisors (2343013).

25773011 is a wasteful number, since it uses less digits than its factorization.

25773011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343012.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 25773011 is about 5076.7126174327. The cubic root of 25773011 is about 295.3849651922.

The spelling of 25773011 in words is "twenty-five million, seven hundred seventy-three thousand, eleven".