1051507449 has 6 divisors (see below), whose sum is σ = 1518844106. Its totient is φ = 701004960.

The previous prime is 1051507421. The next prime is 1051507489. The reversal of 1051507449 is 9447051501.

1051507449 is a `hidden beast` number, since 105 + 1 + 507 + 4 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 921547449 + 129960000 = 30357^2 + 11400^2 .

It is not a de Polignac number, because 1051507449 - 2⁵ = 1051507417 is a prime.

It is a super-2 number, since 2×1051507449² = 2211335830604975202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051507489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58417072 + ... + 58417089.

Almost surely, 2^1051507449 is an apocalyptic number.

It is an amenable number.

1051507449 is a deficient number, since it is larger than the sum of its proper divisors (467336657).

1051507449 is a wasteful number, since it uses less digits than its factorization.

1051507449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116834167 (or 116834164 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1051507449 is about 32426.9555925313. The cubic root of 1051507449 is about 1016.8825260307.

The spelling of 1051507449 in words is "one billion, fifty-one million, five hundred seven thousand, four hundred forty-nine".