378497025 has 27 divisors (see below), whose sum is σ = 678453321. Its totient is φ = 201709440.

The previous prime is 378497017. The next prime is 378497029. The reversal of 378497025 is 520794873.

The square root of 378497025 is 19455.

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

It can be written as a sum of positive squares in 4 ways, for example, as 116445681 + 262051344 = 10791^2 + 16188^2 .

It is not a de Polignac number, because 378497025 - 2³ = 378497017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (378497029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 291177 + ... + 292473.

Almost surely, 2^378497025 is an apocalyptic number.

378497025 is the 19455-th square number.

378497025 is the 9728-th centered octagonal number.

It is an amenable number.

378497025 is a deficient number, since it is larger than the sum of its proper divisors (299956296).

378497025 is an equidigital number, since it uses as much as digits as its factorization.

378497025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The cubic root of 378497025 is about 723.3594454721.

The spelling of 378497025 in words is "three hundred seventy-eight million, four hundred ninety-seven thousand, twenty-five".