151612397 has 2 divisors, whose sum is σ = 151612398. Its totient is φ = 151612396.

The previous prime is 151612393. The next prime is 151612403. The reversal of 151612397 is 793216151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130553476 + 21058921 = 11426^2 + 4589^2 .

It is a cyclic number.

It is not a de Polignac number, because 151612397 - 2² = 151612393 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151612393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75806198 + 75806199.

It is an arithmetic number, because the mean of its divisors is an integer number (75806199).

Almost surely, 2^151612397 is an apocalyptic number.

It is an amenable number.

151612397 is a deficient number, since it is larger than the sum of its proper divisors (1).

151612397 is an equidigital number, since it uses as much as digits as its factorization.

151612397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 35.

The square root of 151612397 is about 12313.0985945862. The cubic root of 151612397 is about 533.2263118159.

The spelling of 151612397 in words is "one hundred fifty-one million, six hundred twelve thousand, three hundred ninety-seven".