1023541025 has 12 divisors (see below), whose sum is σ = 1366821372. Its totient is φ = 755845440.

The previous prime is 1023541019. The next prime is 1023541037. The reversal of 1023541025 is 5201453201.

It can be written as a sum of positive squares in 6 ways, for example, as 197093521 + 826447504 = 14039^2 + 28748^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1023541025 is a prime.

It is a Duffinian number.

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, 1574354 + ... + 1575003.

It is an arithmetic number, because the mean of its divisors is an integer number (113901781).

Almost surely, 2^1023541025 is an apocalyptic number.

It is an amenable number.

1023541025 is a deficient number, since it is larger than the sum of its proper divisors (343280347).

1023541025 is a wasteful number, since it uses less digits than its factorization.

1023541025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149380 (or 3149375 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1023541025 is about 31992.8277118482. The cubic root of 1023541025 is about 1007.7862256756.

Adding to 1023541025 its reverse (5201453201), we get a palindrome (6224994226).

The spelling of 1023541025 in words is "one billion, twenty-three million, five hundred forty-one thousand, twenty-five".