90057425 has 6 divisors (see below), whose sum is σ = 111671238. Its totient is φ = 72045920.

The previous prime is 90057413. The next prime is 90057427. The reversal of 90057425 is 52475009.

It can be written as a sum of positive squares in 3 ways, for example, as 7392961 + 82664464 = 2719^2 + 9092^2 .

It is not a de Polignac number, because 90057425 - 2¹⁰ = 90056401 is a prime.

It is a super-2 number, since 2×90057425² = 16220679595261250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90057391 and 90057400.

It is not an unprimeable number, because it can be changed into a prime (90057427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1801124 + ... + 1801173.

It is an arithmetic number, because the mean of its divisors is an integer number (18611873).

Almost surely, 2^90057425 is an apocalyptic number.

It is an amenable number.

90057425 is a deficient number, since it is larger than the sum of its proper divisors (21613813).

90057425 is a wasteful number, since it uses less digits than its factorization.

90057425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602307 (or 3602302 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 90057425 is about 9489.8590611241. The cubic root of 90057425 is about 448.2357672311.

The spelling of 90057425 in words is "ninety million, fifty-seven thousand, four hundred twenty-five".