26519157 has 20 divisors (see below), whose sum is σ = 45275296. Its totient is φ = 15153480.

The previous prime is 26519153. The next prime is 26519159. The reversal of 26519157 is 75191562.

It is not a de Polignac number, because 26519157 - 2² = 26519153 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 (26519153) 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 19 ways as a sum of consecutive naturals, for example, 22819 + ... + 23952.

Almost surely, 2^26519157 is an apocalyptic number.

26519157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

26519157 is a deficient number, since it is larger than the sum of its proper divisors (18756139).

26519157 is an equidigital number, since it uses as much as digits as its factorization.

26519157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46790 (or 46781 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 26519157 is about 5149.6754266653. The cubic root of 26519157 is about 298.2084221273.

The spelling of 26519157 in words is "twenty-six million, five hundred nineteen thousand, one hundred fifty-seven".