1425515537 has 2 divisors, whose sum is σ = 1425515538. Its totient is φ = 1425515536.

The previous prime is 1425515479. The next prime is 1425515557. The reversal of 1425515537 is 7355155241.

It is a Cunningham number, because it is equal to 37756²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1425515536 + 1 = 37756^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425515537 - 2¹⁸ = 1425253393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425515537.

It is not a weakly prime, because it can be changed into another prime (1425515557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712757768 + 712757769.

It is an arithmetic number, because the mean of its divisors is an integer number (712757769).

Almost surely, 2^1425515537 is an apocalyptic number.

It is an amenable number.

1425515537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425515537 is an equidigital number, since it uses as much as digits as its factorization.

1425515537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 38.

The square root of 1425515537 is about 37756.0000132429. Note that the first 4 decimals coincide. The cubic root of 1425515537 is about 1125.4442458183. Note that the first 3 decimals are identical.

It can be divided in two parts, 14255 and 15537, that added together give a palindrome (29792).

The spelling of 1425515537 in words is "one billion, four hundred twenty-five million, five hundred fifteen thousand, five hundred thirty-seven".