1015140461 has 2 divisors, whose sum is σ = 1015140462. Its totient is φ = 1015140460.

The previous prime is 1015140439. The next prime is 1015140479. The reversal of 1015140461 is 1640415101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1001406025 + 13734436 = 31645^2 + 3706^2 .

It is a cyclic number.

It is not a de Polignac number, because 1015140461 - 2¹⁸ = 1014878317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1015140421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507570230 + 507570231.

It is an arithmetic number, because the mean of its divisors is an integer number (507570231).

Almost surely, 2^1015140461 is an apocalyptic number.

It is an amenable number.

1015140461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1015140461 is an equidigital number, since it uses as much as digits as its factorization.

1015140461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1015140461 is about 31861.2689797503. The cubic root of 1015140461 is about 1005.0215620400.

Adding to 1015140461 its reverse (1640415101), we get a palindrome (2655555562).

The spelling of 1015140461 in words is "one billion, fifteen million, one hundred forty thousand, four hundred sixty-one".