1022525001 has 12 divisors (see below), whose sum is σ = 1484635828. Its totient is φ = 678150144.

The previous prime is 1022524991. The next prime is 1022525041. The reversal of 1022525001 is 1005252201.

It can be written as a sum of positive squares in 2 ways, for example, as 71419401 + 951105600 = 8451^2 + 30840^2 .

It is not a de Polignac number, because 1022525001 - 2¹³ = 1022516809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022525041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292600 + ... + 296073.

Almost surely, 2^1022525001 is an apocalyptic number.

It is an amenable number.

1022525001 is a deficient number, since it is larger than the sum of its proper divisors (462110827).

1022525001 is a wasteful number, since it uses less digits than its factorization.

1022525001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588872 (or 588869 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1022525001 is about 31976.9448353028. The cubic root of 1022525001 is about 1007.4526536418.

Adding to 1022525001 its reverse (1005252201), we get a palindrome (2027777202).

The spelling of 1022525001 in words is "one billion, twenty-two million, five hundred twenty-five thousand, one".