39150061 has 2 divisors, whose sum is σ = 39150062. Its totient is φ = 39150060.

The previous prime is 39150037. The next prime is 39150101. The reversal of 39150061 is 16005193.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35928036 + 3222025 = 5994^2 + 1795^2 .

It is an emirp because it is prime and its reverse (16005193) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39150061 - 2¹¹ = 39148013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39150361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19575030 + 19575031.

It is an arithmetic number, because the mean of its divisors is an integer number (19575031).

Almost surely, 2^39150061 is an apocalyptic number.

It is an amenable number.

39150061 is a deficient number, since it is larger than the sum of its proper divisors (1).

39150061 is an equidigital number, since it uses as much as digits as its factorization.

39150061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 39150061 is about 6257.0009589259. Note that the first 3 decimals coincide. The cubic root of 39150061 is about 339.5555351436. Note that the first 4 decimals are identical.

The spelling of 39150061 in words is "thirty-nine million, one hundred fifty thousand, sixty-one".