50072501 has 2 divisors, whose sum is σ = 50072502. Its totient is φ = 50072500.

The previous prime is 50072479. The next prime is 50072509. The reversal of 50072501 is 10527005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46594276 + 3478225 = 6826^2 + 1865^2 .

It is a cyclic number.

It is not a de Polignac number, because 50072501 - 2²² = 45878197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50072509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25036250 + 25036251.

It is an arithmetic number, because the mean of its divisors is an integer number (25036251).

Almost surely, 2^50072501 is an apocalyptic number.

It is an amenable number.

50072501 is a deficient number, since it is larger than the sum of its proper divisors (1).

50072501 is an equidigital number, since it uses as much as digits as its factorization.

50072501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 50072501 is about 7076.1925496696. The cubic root of 50072501 is about 368.5811278463.

Adding to 50072501 its reverse (10527005), we get a palindrome (60599506).

The spelling of 50072501 in words is "fifty million, seventy-two thousand, five hundred one".