230381537 has 2 divisors, whose sum is σ = 230381538. Its totient is φ = 230381536.

The previous prime is 230381533. The next prime is 230381549. The reversal of 230381537 is 735183032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 86285521 = 12004^2 + 9289^2 .

It is a cyclic number.

It is not a de Polignac number, because 230381537 - 2² = 230381533 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230381533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115190768 + 115190769.

It is an arithmetic number, because the mean of its divisors is an integer number (115190769).

Almost surely, 2^230381537 is an apocalyptic number.

It is an amenable number.

230381537 is a deficient number, since it is larger than the sum of its proper divisors (1).

230381537 is an equidigital number, since it uses as much as digits as its factorization.

230381537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 230381537 is about 15178.3245781608. The cubic root of 230381537 is about 613.0311700480.

The spelling of 230381537 in words is "two hundred thirty million, three hundred eighty-one thousand, five hundred thirty-seven".