1025462161 has 2 divisors, whose sum is σ = 1025462162. Its totient is φ = 1025462160.

The previous prime is 1025462149. The next prime is 1025462189. The reversal of 1025462161 is 1612645201.

It is an a-pointer prime, because the next prime (1025462189) can be obtained adding 1025462161 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 704371600 + 321090561 = 26540^2 + 17919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025462161 - 2¹¹ = 1025460113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025462101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512731080 + 512731081.

It is an arithmetic number, because the mean of its divisors is an integer number (512731081).

Almost surely, 2^1025462161 is an apocalyptic number.

It is an amenable number.

1025462161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025462161 is an equidigital number, since it uses as much as digits as its factorization.

1025462161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1025462161 is about 32022.8381159447. The cubic root of 1025462161 is about 1008.4163532734.

The spelling of 1025462161 in words is "one billion, twenty-five million, four hundred sixty-two thousand, one hundred sixty-one".