361421025 has 48 divisors (see below), whose sum is σ = 684622848. Its totient is φ = 164808000.

The previous prime is 361421017. The next prime is 361421077. The reversal of 361421025 is 520124163.

It is not a de Polignac number, because 361421025 - 2³ = 361421017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 361420986 and 361421004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 330730 + ... + 331820.

It is an arithmetic number, because the mean of its divisors is an integer number (14262976).

Almost surely, 2^361421025 is an apocalyptic number.

361421025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

361421025 is a deficient number, since it is larger than the sum of its proper divisors (323201823).

361421025 is a wasteful number, since it uses less digits than its factorization.

361421025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 361421025 is about 19011.0763766810. The cubic root of 361421025 is about 712.3134383816.

Adding to 361421025 its reverse (520124163), we get a palindrome (881545188).

The spelling of 361421025 in words is "three hundred sixty-one million, four hundred twenty-one thousand, twenty-five".