26472557 has 2 divisors, whose sum is σ = 26472558. Its totient is φ = 26472556.

The previous prime is 26472547. The next prime is 26472569. The reversal of 26472557 is 75527462.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25664356 + 808201 = 5066^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 26472557 - 2⁴ = 26472541 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26472557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26472527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13236278 + 13236279.

It is an arithmetic number, because the mean of its divisors is an integer number (13236279).

Almost surely, 2^26472557 is an apocalyptic number.

It is an amenable number.

26472557 is a deficient number, since it is larger than the sum of its proper divisors (1).

26472557 is an equidigital number, since it uses as much as digits as its factorization.

26472557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 38.

The square root of 26472557 is about 5145.1488802560. The cubic root of 26472557 is about 298.0336470874.

The spelling of 26472557 in words is "twenty-six million, four hundred seventy-two thousand, five hundred fifty-seven".