155251351 has 2 divisors, whose sum is σ = 155251352. Its totient is φ = 155251350.

The previous prime is 155251339. The next prime is 155251373. The reversal of 155251351 is 153152551.

It is a weak prime.

It is an emirp because it is prime and its reverse (153152551) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 155251351 - 2⁵ = 155251319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155251301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77625675 + 77625676.

It is an arithmetic number, because the mean of its divisors is an integer number (77625676).

Almost surely, 2^155251351 is an apocalyptic number.

155251351 is a deficient number, since it is larger than the sum of its proper divisors (1).

155251351 is an equidigital number, since it uses as much as digits as its factorization.

155251351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750, while the sum is 28.

The square root of 155251351 is about 12459.9900080217. The cubic root of 155251351 is about 537.4587396487.

The spelling of 155251351 in words is "one hundred fifty-five million, two hundred fifty-one thousand, three hundred fifty-one".