152977247 has 2 divisors, whose sum is σ = 152977248. Its totient is φ = 152977246.

The previous prime is 152977229. The next prime is 152977261. The reversal of 152977247 is 742779251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152977247 - 2⁶ = 152977183 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 152977198 and 152977207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152977547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76488623 + 76488624.

It is an arithmetic number, because the mean of its divisors is an integer number (76488624).

Almost surely, 2^152977247 is an apocalyptic number.

152977247 is a deficient number, since it is larger than the sum of its proper divisors (1).

152977247 is an equidigital number, since it uses as much as digits as its factorization.

152977247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246960, while the sum is 44.

The square root of 152977247 is about 12368.3971071437. The cubic root of 152977247 is about 534.8216099569.

The spelling of 152977247 in words is "one hundred fifty-two million, nine hundred seventy-seven thousand, two hundred forty-seven".