152872261 has 2 divisors, whose sum is σ = 152872262. Its totient is φ = 152872260.

The previous prime is 152872259. The next prime is 152872277. The reversal of 152872261 is 162278251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120450625 + 32421636 = 10975^2 + 5694^2 .

It is a cyclic number.

It is not a de Polignac number, because 152872261 - 2¹ = 152872259 is a prime.

Together with 152872259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152872961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76436130 + 76436131.

It is an arithmetic number, because the mean of its divisors is an integer number (76436131).

Almost surely, 2^152872261 is an apocalyptic number.

It is an amenable number.

152872261 is a deficient number, since it is larger than the sum of its proper divisors (1).

152872261 is an equidigital number, since it uses as much as digits as its factorization.

152872261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 152872261 is about 12364.1522556138. The cubic root of 152872261 is about 534.6992352634.

The spelling of 152872261 in words is "one hundred fifty-two million, eight hundred seventy-two thousand, two hundred sixty-one".