162512461 has 2 divisors, whose sum is σ = 162512462. Its totient is φ = 162512460.

The previous prime is 162512459. The next prime is 162512477. The reversal of 162512461 is 164215261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98208100 + 64304361 = 9910^2 + 8019^2 .

It is a cyclic number.

It is not a de Polignac number, because 162512461 - 2¹ = 162512459 is a prime.

Together with 162512459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162512431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81256230 + 81256231.

It is an arithmetic number, because the mean of its divisors is an integer number (81256231).

Almost surely, 2^162512461 is an apocalyptic number.

It is an amenable number.

162512461 is a deficient number, since it is larger than the sum of its proper divisors (1).

162512461 is an equidigital number, since it uses as much as digits as its factorization.

162512461 is an evil number, because the sum of its binary digits is even.

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

The square root of 162512461 is about 12748.0375352444. The cubic root of 162512461 is about 545.7103897348.

The spelling of 162512461 in words is "one hundred sixty-two million, five hundred twelve thousand, four hundred sixty-one".