980525746225 has 9 divisors (see below), whose sum is σ = 1215858064683. Its totient is φ = 784416636120.

The previous prime is 980525746177. The next prime is 980525746229. The reversal of 980525746225 is 522647525089.

The square root of 980525746225 is 990215.

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

It can be written as a sum of positive squares in only one way, i.e., 352989268641 + 627536477584 = 594129^2 + 792172^2 .

It is not a de Polignac number, because 980525746225 - 2⁷ = 980525746097 is a prime.

It is a super-2 number, since 2×980525746225² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (980525746229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4852054 + ... + 5050096.

Almost surely, 2^980525746225 is an apocalyptic number.

980525746225 is the 990215-th square number.

980525746225 is the 495108-th centered octagonal number.

It is an amenable number.

980525746225 is a deficient number, since it is larger than the sum of its proper divisors (235332318458).

980525746225 is an frugal number, since it uses more digits than its factorization.

980525746225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396096 (or 198048 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 55.

The spelling of 980525746225 in words is "nine hundred eighty billion, five hundred twenty-five million, seven hundred forty-six thousand, two hundred twenty-five".