1610742487 has 2 divisors, whose sum is σ = 1610742488. Its totient is φ = 1610742486.

The previous prime is 1610742481. The next prime is 1610742491. The reversal of 1610742487 is 7842470161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1610742487 - 2¹⁹ = 1610218199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1610742481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805371243 + 805371244.

It is an arithmetic number, because the mean of its divisors is an integer number (805371244).

Almost surely, 2^1610742487 is an apocalyptic number.

1610742487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1610742487 is an equidigital number, since it uses as much as digits as its factorization.

1610742487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 1610742487 is about 40134.0564483582. The cubic root of 1610742487 is about 1172.2188606772.

The spelling of 1610742487 in words is "one billion, six hundred ten million, seven hundred forty-two thousand, four hundred eighty-seven".