947400489025 has 27 divisors (see below), whose sum is σ = 1197686500059. Its totient is φ = 743417550720.

The previous prime is 947400489023. The next prime is 947400489067. The reversal of 947400489025 is 520984004749.

The square root of 947400489025 is 973345.

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

It can be written as a sum of positive squares in 13 ways, for example, as 839464585729 + 107935903296 = 916223^2 + 328536^2 .

It is not a de Polignac number, because 947400489025 - 2¹ = 947400489023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (947400489023) 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, 257934589 + ... + 257938261.

Almost surely, 2^947400489025 is an apocalyptic number.

947400489025 is the 973345-th square number.

947400489025 is the 486673-rd centered octagonal number.

It is an amenable number.

947400489025 is a deficient number, since it is larger than the sum of its proper divisors (250286011034).

947400489025 is an frugal number, since it uses more digits than its factorization.

947400489025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7462 (or 3731 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 947400489025 in words is "nine hundred forty-seven billion, four hundred million, four hundred eighty-nine thousand, twenty-five".