1051321461 has 4 divisors (see below), whose sum is σ = 1401761952. Its totient is φ = 700880972.

The previous prime is 1051321457. The next prime is 1051321483. The reversal of 1051321461 is 1641231501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1051321461 - 2² = 1051321457 is a prime.

It is a super-2 number, since 2×1051321461² = 2210553628718349042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051321261) 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, 175220241 + ... + 175220246.

It is an arithmetic number, because the mean of its divisors is an integer number (350440488).

Almost surely, 2^1051321461 is an apocalyptic number.

It is an amenable number.

1051321461 is a deficient number, since it is larger than the sum of its proper divisors (350440491).

1051321461 is an equidigital number, since it uses as much as digits as its factorization.

1051321461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350440490.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1051321461 is about 32424.0876664248. The cubic root of 1051321461 is about 1016.8225679520.

Adding to 1051321461 its reverse (1641231501), we get a palindrome (2692552962).

The spelling of 1051321461 in words is "one billion, fifty-one million, three hundred twenty-one thousand, four hundred sixty-one".