151387501 has 2 divisors, whose sum is σ = 151387502. Its totient is φ = 151387500.

The previous prime is 151387493. The next prime is 151387513. The reversal of 151387501 is 105783151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151314601 + 72900 = 12301^2 + 270^2 .

It is a cyclic number.

It is not a de Polignac number, because 151387501 - 2³ = 151387493 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 (151387531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75693750 + 75693751.

It is an arithmetic number, because the mean of its divisors is an integer number (75693751).

Almost surely, 2^151387501 is an apocalyptic number.

It is an amenable number.

151387501 is a deficient number, since it is larger than the sum of its proper divisors (1).

151387501 is an equidigital number, since it uses as much as digits as its factorization.

151387501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 151387501 is about 12303.9628169139. The cubic root of 151387501 is about 532.9625255401.

The spelling of 151387501 in words is "one hundred fifty-one million, three hundred eighty-seven thousand, five hundred one".