49201001 has 2 divisors, whose sum is σ = 49201002. Its totient is φ = 49201000.

The previous prime is 49200997. The next prime is 49201021. The reversal of 49201001 is 10010294.

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., 46717225 + 2483776 = 6835^2 + 1576^2 .

It is a cyclic number.

It is not a de Polignac number, because 49201001 - 2² = 49200997 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49201021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24600500 + 24600501.

It is an arithmetic number, because the mean of its divisors is an integer number (24600501).

Almost surely, 2^49201001 is an apocalyptic number.

It is an amenable number.

49201001 is a deficient number, since it is larger than the sum of its proper divisors (1).

49201001 is an equidigital number, since it uses as much as digits as its factorization.

49201001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 49201001 is about 7014.3425208639. The cubic root of 49201001 is about 366.4302449282.

Adding to 49201001 its reverse (10010294), we get a palindrome (59211295).

The spelling of 49201001 in words is "forty-nine million, two hundred one thousand, one".