39952051 has 2 divisors, whose sum is σ = 39952052. Its totient is φ = 39952050.

The previous prime is 39952039. The next prime is 39952103. The reversal of 39952051 is 15025993.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (15025993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39952051 - 2¹¹ = 39950003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39951998 and 39952016.

It is not a weakly prime, because it can be changed into another prime (39952001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19976025 + 19976026.

It is an arithmetic number, because the mean of its divisors is an integer number (19976026).

Almost surely, 2^39952051 is an apocalyptic number.

39952051 is a deficient number, since it is larger than the sum of its proper divisors (1).

39952051 is an equidigital number, since it uses as much as digits as its factorization.

39952051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 39952051 is about 6320.7634823651. The cubic root of 39952051 is about 341.8584819682.

The spelling of 39952051 in words is "thirty-nine million, nine hundred fifty-two thousand, fifty-one".