26325001597 has 2 divisors, whose sum is σ = 26325001598. Its totient is φ = 26325001596.

The previous prime is 26325001561. The next prime is 26325001603. The reversal of 26325001597 is 79510052362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25480459876 + 844541721 = 159626^2 + 29061^2 .

It is a cyclic number.

It is not a de Polignac number, because 26325001597 - 2¹¹ = 26324999549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26325001537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13162500798 + 13162500799.

It is an arithmetic number, because the mean of its divisors is an integer number (13162500799).

Almost surely, 2^26325001597 is an apocalyptic number.

It is an amenable number.

26325001597 is a deficient number, since it is larger than the sum of its proper divisors (1).

26325001597 is an equidigital number, since it uses as much as digits as its factorization.

26325001597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 26325001597 in words is "twenty-six billion, three hundred twenty-five million, one thousand, five hundred ninety-seven".