152404261 has 2 divisors, whose sum is σ = 152404262. Its totient is φ = 152404260.

The previous prime is 152404249. The next prime is 152404267. The reversal of 152404261 is 162404251.

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., 101909025 + 50495236 = 10095^2 + 7106^2 .

It is an emirp because it is prime and its reverse (162404251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152404261 - 2¹¹ = 152402213 is a prime.

It is a super-2 number, since 2×152404261² = 46454117541912242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152404267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76202130 + 76202131.

It is an arithmetic number, because the mean of its divisors is an integer number (76202131).

Almost surely, 2^152404261 is an apocalyptic number.

It is an amenable number.

152404261 is a deficient number, since it is larger than the sum of its proper divisors (1).

152404261 is an equidigital number, since it uses as much as digits as its factorization.

152404261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 152404261 is about 12345.2120678423. The cubic root of 152404261 is about 534.1530384262.

The spelling of 152404261 in words is "one hundred fifty-two million, four hundred four thousand, two hundred sixty-one".