156250049 has 2 divisors, whose sum is σ = 156250050. Its totient is φ = 156250048.

The previous prime is 156250027. The next prime is 156250093. The reversal of 156250049 is 940052651.

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., 156250000 + 49 = 12500^2 + 7^2 .

It is an emirp because it is prime and its reverse (940052651) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-156250049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 156249997 and 156250024.

It is not a weakly prime, because it can be changed into another prime (156250249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78125024 + 78125025.

It is an arithmetic number, because the mean of its divisors is an integer number (78125025).

Almost surely, 2^156250049 is an apocalyptic number.

It is an amenable number.

156250049 is a deficient number, since it is larger than the sum of its proper divisors (1).

156250049 is an equidigital number, since it uses as much as digits as its factorization.

156250049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 156250049 is about 12500.0019599998. The cubic root of 156250049 is about 538.6087288105.

It can be divided in two parts, 1562500 and 49, that multiplied together give a square (76562500 = 8750²).

The spelling of 156250049 in words is "one hundred fifty-six million, two hundred fifty thousand, forty-nine".