1051465261 has 8 divisors (see below), whose sum is σ = 1310917824. Its totient is φ = 819323520.

The previous prime is 1051465253. The next prime is 1051465271. The reversal of 1051465261 is 1625641501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1051465261 - 2³ = 1051465253 is a prime.

It is a super-2 number, since 2×1051465261² = 2211158390179596242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051465201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6827620 + ... + 6827773.

It is an arithmetic number, because the mean of its divisors is an integer number (163864728).

Almost surely, 2^1051465261 is an apocalyptic number.

1051465261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1051465261 is a deficient number, since it is larger than the sum of its proper divisors (259452563).

1051465261 is a wasteful number, since it uses less digits than its factorization.

1051465261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13655411.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1051465261 is about 32426.3050778222. The cubic root of 1051465261 is about 1016.8689262495.

The spelling of 1051465261 in words is "one billion, fifty-one million, four hundred sixty-five thousand, two hundred sixty-one".