1025434137 has 32 divisors (see below), whose sum is σ = 1690278912. Its totient is φ = 538473024.

The previous prime is 1025434121. The next prime is 1025434159. The reversal of 1025434137 is 7314345201.

It is a happy number.

It is not a de Polignac number, because 1025434137 - 2⁴ = 1025434121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025434537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53698 + ... + 70244.

It is an arithmetic number, because the mean of its divisors is an integer number (52821216).

Almost surely, 2^1025434137 is an apocalyptic number.

It is an amenable number.

1025434137 is a deficient number, since it is larger than the sum of its proper divisors (664844775).

1025434137 is a wasteful number, since it uses less digits than its factorization.

1025434137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16797.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 1025434137 is about 32022.4005502398. The cubic root of 1025434137 is about 1008.4071671333.

Adding to 1025434137 its reverse (7314345201), we get a palindrome (8339779338).

The spelling of 1025434137 in words is "one billion, twenty-five million, four hundred thirty-four thousand, one hundred thirty-seven".