1025434537 has 2 divisors, whose sum is σ = 1025434538. Its totient is φ = 1025434536.

The previous prime is 1025434489. The next prime is 1025434549. The reversal of 1025434537 is 7354345201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729216016 + 296218521 = 27004^2 + 17211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025434537 - 2²³ = 1017045929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025404537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512717268 + 512717269.

It is an arithmetic number, because the mean of its divisors is an integer number (512717269).

Almost surely, 2^1025434537 is an apocalyptic number.

It is an amenable number.

1025434537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025434537 is an equidigital number, since it uses as much as digits as its factorization.

1025434537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1025434537 is about 32022.4067958672. The cubic root of 1025434537 is about 1008.4072982527.

Adding to 1025434537 its reverse (7354345201), we get a palindrome (8379779738).

The spelling of 1025434537 in words is "one billion, twenty-five million, four hundred thirty-four thousand, five hundred thirty-seven".