2090323182025 has 135 divisors (see below), whose sum is σ = 2958285749081. Its totient is φ = 1465133953920.

The previous prime is 2090323182023. The next prime is 2090323182061. The reversal of 2090323182025 is 5202813230902.

The square root of 2090323182025 is 1445795.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 810293426569 + 1280029755456 = 900163^2 + 1131384^2 .

It is not a de Polignac number, because 2090323182025 - 2¹ = 2090323182023 is a prime.

It is a super-2 number, since 2×2090323182025² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2090323182023) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 35429206446 + ... + 35429206504.

Almost surely, 2^{2090323182025} is an apocalyptic number.

2090323182025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2090323182025 is the 1445795-th square number.

2090323182025 is the 722898-th centered octagonal number.

It is an amenable number.

2090323182025 is a deficient number, since it is larger than the sum of its proper divisors (867962567056).

2090323182025 is an frugal number, since it uses more digits than its factorization.

2090323182025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2090323182025 in words is "two trillion, ninety billion, three hundred twenty-three million, one hundred eighty-two thousand, twenty-five".