427317153025 has 81 divisors (see below), whose sum is σ = 651194299971. Its totient is φ = 277313107680.

The previous prime is 427317153013. The next prime is 427317153037. The reversal of 427317153025 is 520351713724.

It is a happy number.

The square root of 427317153025 is 653695.

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

It is an interprime number because it is at equal distance from previous prime (427317153013) and next prime (427317153037).

It can be written as a sum of positive squares in only one way, i.e., 153834175089 + 273482977936 = 392217^2 + 522956^2 .

It is not a de Polignac number, because 427317153025 - 2¹⁹ = 427316628737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 434706684 + ... + 434707666.

Almost surely, 2^427317153025 is an apocalyptic number.

427317153025 is the 653695-th square number.

427317153025 is the 326848-th centered octagonal number.

It is an amenable number.

427317153025 is a deficient number, since it is larger than the sum of its proper divisors (223877146946).

427317153025 is an frugal number, since it uses more digits than its factorization.

427317153025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028 (or 1014 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 40.

Adding to 427317153025 its reverse (520351713724), we get a palindrome (947668866749).

The spelling of 427317153025 in words is "four hundred twenty-seven billion, three hundred seventeen million, one hundred fifty-three thousand, twenty-five".