1507305497 has 2 divisors, whose sum is σ = 1507305498. Its totient is φ = 1507305496.

The previous prime is 1507305461. The next prime is 1507305521. The reversal of 1507305497 is 7945037051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1468728976 + 38576521 = 38324^2 + 6211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1507305497 - 2²⁸ = 1238870041 is a prime.

It is a super-2 number, since 2×1507305497² = 4543939722572834018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1507305797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753652748 + 753652749.

It is an arithmetic number, because the mean of its divisors is an integer number (753652749).

Almost surely, 2^1507305497 is an apocalyptic number.

It is an amenable number.

1507305497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1507305497 is an equidigital number, since it uses as much as digits as its factorization.

1507305497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 1507305497 is about 38824.0324670171. The cubic root of 1507305497 is about 1146.5696129303.

The spelling of 1507305497 in words is "one billion, five hundred seven million, three hundred five thousand, four hundred ninety-seven".