1051854761 has 2 divisors, whose sum is σ = 1051854762. Its totient is φ = 1051854760.

The previous prime is 1051854733. The next prime is 1051854823. The reversal of 1051854761 is 1674581501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1044259225 + 7595536 = 32315^2 + 2756^2 .

It is an emirp because it is prime and its reverse (1674581501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051854761 - 2⁶ = 1051854697 is a prime.

It is a super-2 number, since 2×1051854761² = 2212796876476734242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051854701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525927380 + 525927381.

It is an arithmetic number, because the mean of its divisors is an integer number (525927381).

Almost surely, 2^1051854761 is an apocalyptic number.

It is an amenable number.

1051854761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051854761 is an equidigital number, since it uses as much as digits as its factorization.

1051854761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 1051854761 is about 32432.3104480701. The cubic root of 1051854761 is about 1016.9944721790.

The spelling of 1051854761 in words is "one billion, fifty-one million, eight hundred fifty-four thousand, seven hundred sixty-one".