1061007251 has 4 divisors (see below), whose sum is σ = 1061109792. Its totient is φ = 1060904712.

The previous prime is 1061007229. The next prime is 1061007313. The reversal of 1061007251 is 1527001601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1061007251 is a prime.

It is a super-2 number, since 2×1061007251² = 2251472773349154002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061007551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33755 + ... + 57108.

It is an arithmetic number, because the mean of its divisors is an integer number (265277448).

Almost surely, 2^1061007251 is an apocalyptic number.

1061007251 is a deficient number, since it is larger than the sum of its proper divisors (102541).

1061007251 is an equidigital number, since it uses as much as digits as its factorization.

1061007251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102540.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1061007251 is about 32573.1062534724. The cubic root of 1061007251 is about 1019.9356780533.

Adding to 1061007251 its reverse (1527001601), we get a palindrome (2588008852).

The spelling of 1061007251 in words is "one billion, sixty-one million, seven thousand, two hundred fifty-one".