90249301 has 4 divisors (see below), whose sum is σ = 91952172. Its totient is φ = 88546432.

The previous prime is 90249281. The next prime is 90249329. The reversal of 90249301 is 10394209.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81540900 + 8708401 = 9030^2 + 2951^2 .

It is a cyclic number.

It is not a de Polignac number, because 90249301 - 2¹¹ = 90247253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90249301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90249331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851356 + ... + 851461.

It is an arithmetic number, because the mean of its divisors is an integer number (22988043).

Almost surely, 2^90249301 is an apocalyptic number.

It is an amenable number.

90249301 is a deficient number, since it is larger than the sum of its proper divisors (1702871).

90249301 is a wasteful number, since it uses less digits than its factorization.

90249301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702870.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 90249301 is about 9499.9632104551. The cubic root of 90249301 is about 448.5538778779.

The spelling of 90249301 in words is "ninety million, two hundred forty-nine thousand, three hundred one".