1505230081 has 2 divisors, whose sum is σ = 1505230082. Its totient is φ = 1505230080.

The previous prime is 1505230073. The next prime is 1505230117. The reversal of 1505230081 is 1800325051.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408876225 + 96353856 = 37535^2 + 9816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1505230081 - 2³ = 1505230073 is a prime.

It is a super-2 number, since 2×1505230081² = 4531435193494533122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1505230381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 752615040 + 752615041.

It is an arithmetic number, because the mean of its divisors is an integer number (752615041).

Almost surely, 2^1505230081 is an apocalyptic number.

It is an amenable number.

1505230081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1505230081 is an equidigital number, since it uses as much as digits as its factorization.

1505230081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1505230081 is about 38797.2947639394. The cubic root of 1505230081 is about 1146.0431321946.

The spelling of 1505230081 in words is "one billion, five hundred five million, two hundred thirty thousand, eighty-one".