39015401 has 2 divisors, whose sum is σ = 39015402. Its totient is φ = 39015400.

The previous prime is 39015371. The next prime is 39015407. The reversal of 39015401 is 10451093.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39000025 + 15376 = 6245^2 + 124^2 .

It is an emirp because it is prime and its reverse (10451093) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39015401 - 2¹⁰ = 39014377 is a prime.

It is not a weakly prime, because it can be changed into another prime (39015407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19507700 + 19507701.

It is an arithmetic number, because the mean of its divisors is an integer number (19507701).

Almost surely, 2^39015401 is an apocalyptic number.

It is an amenable number.

39015401 is a deficient number, since it is larger than the sum of its proper divisors (1).

39015401 is an equidigital number, since it uses as much as digits as its factorization.

39015401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 39015401 is about 6246.2309435371. The cubic root of 39015401 is about 339.1657777835.

Adding to 39015401 its reverse (10451093), we get a palindrome (49466494).

The spelling of 39015401 in words is "thirty-nine million, fifteen thousand, four hundred one".