151397 has 2 divisors, whose sum is σ = 151398. Its totient is φ = 151396.

The previous prime is 151391. The next prime is 151423. The reversal of 151397 is 793151.

It is an a-pointer prime, because the next prime (151423) can be obtained adding 151397 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148996 + 2401 = 386^2 + 49^2 .

It is a cyclic number.

It is not a de Polignac number, because 151397 - 2⁴ = 151381 is a prime.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151397.

It is not a weakly prime, because it can be changed into another prime (151391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75698 + 75699.

It is an arithmetic number, because the mean of its divisors is an integer number (75699).

2¹⁵¹³⁹⁷ is an apocalyptic number.

It is an amenable number.

151397 is a deficient number, since it is larger than the sum of its proper divisors (1).

151397 is an equidigital number, since it uses as much as digits as its factorization.

151397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 945, while the sum is 26.

The square root of 151397 is about 389.0976741128. The cubic root of 151397 is about 53.2973672443.

The spelling of 151397 in words is "one hundred fifty-one thousand, three hundred ninety-seven".