403315025 has 12 divisors (see below), whose sum is σ = 500367900. Its totient is φ = 322486080.

The previous prime is 403315019. The next prime is 403315049. The reversal of 403315025 is 520513304.

It can be written as a sum of positive squares in 6 ways, for example, as 10601536 + 392713489 = 3256^2 + 19817^2 .

It is not a de Polignac number, because 403315025 - 2¹⁴ = 403298641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75131 + ... + 80319.

It is an arithmetic number, because the mean of its divisors is an integer number (41697325).

Almost surely, 2^403315025 is an apocalyptic number.

It is an amenable number.

403315025 is a deficient number, since it is larger than the sum of its proper divisors (97052875).

403315025 is a wasteful number, since it uses less digits than its factorization.

403315025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8308 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 403315025 is about 20082.7046236308. The cubic root of 403315025 is about 738.8361452752.

Adding to 403315025 its reverse (520513304), we get a palindrome (923828329).

The spelling of 403315025 in words is "four hundred three million, three hundred fifteen thousand, twenty-five".