4969545025 has 27 divisors (see below), whose sum is σ = 6452333769. Its totient is φ = 3796578720.

The previous prime is 4969545023. The next prime is 4969545029. The reversal of 4969545025 is 5205459694.

The square root of 4969545025 is 70495.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2904024321 + 2065520704 = 53889^2 + 45448^2 .

It is not a de Polignac number, because 4969545025 - 2¹ = 4969545023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4969545025.

It is not an unprimeable number, because it can be changed into a prime (4969545023) 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, 8106619 + ... + 8107231.

Almost surely, 2^4969545025 is an apocalyptic number.

4969545025 is the 70495-th square number.

4969545025 is the 35248-th centered octagonal number.

It is an amenable number.

4969545025 is a deficient number, since it is larger than the sum of its proper divisors (1482788744).

4969545025 is an frugal number, since it uses more digits than its factorization.

4969545025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 49.

The cubic root of 4969545025 is about 1706.4970554701.

Multiplying 4969545025 by its sum of digits (49), we get a square (243507706225 = 493465²).

The spelling of 4969545025 in words is "four billion, nine hundred sixty-nine million, five hundred forty-five thousand, twenty-five".