150993397 has 2 divisors, whose sum is σ = 150993398. Its totient is φ = 150993396.

The previous prime is 150993379. The next prime is 150993431. The reversal of 150993397 is 793399051.

Together with previous prime (150993379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137968516 + 13024881 = 11746^2 + 3609^2 .

It is an emirp because it is prime and its reverse (793399051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150993397 - 2²⁷ = 16775669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150993377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75496698 + 75496699.

It is an arithmetic number, because the mean of its divisors is an integer number (75496699).

Almost surely, 2^150993397 is an apocalyptic number.

It is an amenable number.

150993397 is a deficient number, since it is larger than the sum of its proper divisors (1).

150993397 is an equidigital number, since it uses as much as digits as its factorization.

150993397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 229635, while the sum is 46.

The square root of 150993397 is about 12287.9370522476. The cubic root of 150993397 is about 532.4996401358.

It can be divided in two parts, 15099 and 3397, that added together give a square (18496 = 136²).

The spelling of 150993397 in words is "one hundred fifty million, nine hundred ninety-three thousand, three hundred ninety-seven".