90741525 has 48 divisors (see below), whose sum is σ = 172322304. Its totient is φ = 41273280.

The previous prime is 90741523. The next prime is 90741527. The reversal of 90741525 is 52514709.

It is an interprime number because it is at equal distance from previous prime (90741523) and next prime (90741527).

It is not a de Polignac number, because 90741525 - 2¹ = 90741523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90741523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160894 + ... + 161456.

It is an arithmetic number, because the mean of its divisors is an integer number (3590048).

Almost surely, 2^90741525 is an apocalyptic number.

It is an amenable number.

90741525 is a deficient number, since it is larger than the sum of its proper divisors (81580779).

90741525 is a wasteful number, since it uses less digits than its factorization.

90741525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 90741525 is about 9525.8346091038. The cubic root of 90741525 is about 449.3678778960.

The spelling of 90741525 in words is "ninety million, seven hundred forty-one thousand, five hundred twenty-five".