152634409 has 2 divisors, whose sum is σ = 152634410. Its totient is φ = 152634408.

The previous prime is 152634401. The next prime is 152634413. The reversal of 152634409 is 904436251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147088384 + 5546025 = 12128^2 + 2355^2 .

It is a cyclic number.

It is not a de Polignac number, because 152634409 - 2³ = 152634401 is a prime.

It is not a weakly prime, because it can be changed into another prime (152634401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76317204 + 76317205.

It is an arithmetic number, because the mean of its divisors is an integer number (76317205).

Almost surely, 2^152634409 is an apocalyptic number.

It is an amenable number.

152634409 is a deficient number, since it is larger than the sum of its proper divisors (1).

152634409 is an equidigital number, since it uses as much as digits as its factorization.

152634409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 152634409 is about 12354.5298979767. The cubic root of 152634409 is about 534.4217807455.

The spelling of 152634409 in words is "one hundred fifty-two million, six hundred thirty-four thousand, four hundred nine".