152051989 has 2 divisors, whose sum is σ = 152051990. Its totient is φ = 152051988.

The previous prime is 152051987. The next prime is 152052007. The reversal of 152051989 is 989150251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147136900 + 4915089 = 12130^2 + 2217^2 .

It is an emirp because it is prime and its reverse (989150251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152051989 - 2¹ = 152051987 is a prime.

It is a super-2 number, since 2×152051989² = 46239614717712242, which contains 22 as substring.

Together with 152051987, it forms a pair of twin primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152051983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76025994 + 76025995.

It is an arithmetic number, because the mean of its divisors is an integer number (76025995).

Almost surely, 2^152051989 is an apocalyptic number.

It is an amenable number.

152051989 is a deficient number, since it is larger than the sum of its proper divisors (1).

152051989 is an equidigital number, since it uses as much as digits as its factorization.

152051989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 152051989 is about 12330.9362580463. The cubic root of 152051989 is about 533.7411682180.

The spelling of 152051989 in words is "one hundred fifty-two million, fifty-one thousand, nine hundred eighty-nine".