1051520377 has 2 divisors, whose sum is σ = 1051520378. Its totient is φ = 1051520376.

The previous prime is 1051520359. The next prime is 1051520381. The reversal of 1051520377 is 7730251501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004953401 + 46566976 = 31701^2 + 6824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1051520377 is a prime.

It is a super-2 number, since 2×1051520377² = 2211390206492444258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051520357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525760188 + 525760189.

It is an arithmetic number, because the mean of its divisors is an integer number (525760189).

Almost surely, 2^1051520377 is an apocalyptic number.

It is an amenable number.

1051520377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051520377 is an equidigital number, since it uses as much as digits as its factorization.

1051520377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 1051520377 is about 32427.1549322478. The cubic root of 1051520377 is about 1016.8866934456.

Adding to 1051520377 its reverse (7730251501), we get a palindrome (8781771878).

The spelling of 1051520377 in words is "one billion, fifty-one million, five hundred twenty thousand, three hundred seventy-seven".