152531413 has 2 divisors, whose sum is σ = 152531414. Its totient is φ = 152531412.

The previous prime is 152531371. The next prime is 152531417. The reversal of 152531413 is 314135251.

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., 108534724 + 43996689 = 10418^2 + 6633^2 .

It is a cyclic number.

It is not a de Polignac number, because 152531413 - 2¹³ = 152523221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152531417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76265706 + 76265707.

It is an arithmetic number, because the mean of its divisors is an integer number (76265707).

Almost surely, 2^152531413 is an apocalyptic number.

It is an amenable number.

152531413 is a deficient number, since it is larger than the sum of its proper divisors (1).

152531413 is an equidigital number, since it uses as much as digits as its factorization.

152531413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 152531413 is about 12350.3608449308. The cubic root of 152531413 is about 534.3015464077.

Adding to 152531413 its reverse (314135251), we get a palindrome (466666664).

The spelling of 152531413 in words is "one hundred fifty-two million, five hundred thirty-one thousand, four hundred thirteen".