240054457225397 has 2 divisors, whose sum is σ = 240054457225398. Its totient is φ = 240054457225396.

The previous prime is 240054457225379. The next prime is 240054457225409. The reversal of 240054457225397 is 793522754450042.

Together with previous prime (240054457225379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186039615653956 + 54014841571441 = 13639634^2 + 7349479^2 .

It is a cyclic number.

It is not a de Polignac number, because 240054457225397 - 2²² = 240054453031093 is a prime.

It is a super-2 number, since 2×240054457225397² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240054457275397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120027228612698 + 120027228612699.

It is an arithmetic number, because the mean of its divisors is an integer number (120027228612699).

Almost surely, 2^{240054457225397} is an apocalyptic number.

It is an amenable number.

240054457225397 is a deficient number, since it is larger than the sum of its proper divisors (1).

240054457225397 is an equidigital number, since it uses as much as digits as its factorization.

240054457225397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672000, while the sum is 59.

The spelling of 240054457225397 in words is "two hundred forty trillion, fifty-four billion, four hundred fifty-seven million, two hundred twenty-five thousand, three hundred ninety-seven".