151650409 has 2 divisors, whose sum is σ = 151650410. Its totient is φ = 151650408.

The previous prime is 151650313. The next prime is 151650439. The reversal of 151650409 is 904056151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98942809 + 52707600 = 9947^2 + 7260^2 .

It is a cyclic number.

It is not a de Polignac number, because 151650409 - 2⁷ = 151650281 is a prime.

It is not a weakly prime, because it can be changed into another prime (151650439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75825204 + 75825205.

It is an arithmetic number, because the mean of its divisors is an integer number (75825205).

Almost surely, 2^151650409 is an apocalyptic number.

It is an amenable number.

151650409 is a deficient number, since it is larger than the sum of its proper divisors (1).

151650409 is an equidigital number, since it uses as much as digits as its factorization.

151650409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 151650409 is about 12314.6420573235. The cubic root of 151650409 is about 533.2708712874.

The spelling of 151650409 in words is "one hundred fifty-one million, six hundred fifty thousand, four hundred nine".