18954325 has 12 divisors (see below), whose sum is σ = 25311748. Its totient is φ = 13996800.

The previous prime is 18954319. The next prime is 18954329. The reversal of 18954325 is 52345981.

18954325 = 3078² + 3079².

It can be written as a sum of positive squares in 6 ways, for example, as 7387524 + 11566801 = 2718^2 + 3401^2 .

It is not a de Polignac number, because 18954325 - 2¹¹ = 18952277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18954329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28836 + ... + 29485.

Almost surely, 2^18954325 is an apocalyptic number.

18954325 is the 3079-th centered square number.

It is an amenable number.

18954325 is a deficient number, since it is larger than the sum of its proper divisors (6357423).

18954325 is a wasteful number, since it uses less digits than its factorization.

18954325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58344 (or 58339 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 18954325 is about 4353.6565091886. The cubic root of 18954325 is about 266.6261700657.

The spelling of 18954325 in words is "eighteen million, nine hundred fifty-four thousand, three hundred twenty-five".