1081651037 has 2 divisors, whose sum is σ = 1081651038. Its totient is φ = 1081651036.

The previous prime is 1081651003. The next prime is 1081651049. The reversal of 1081651037 is 7301561801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 571162201 + 510488836 = 23899^2 + 22594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081651037 - 2¹⁰ = 1081650013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1081650994 and 1081651012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081651097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540825518 + 540825519.

It is an arithmetic number, because the mean of its divisors is an integer number (540825519).

Almost surely, 2^1081651037 is an apocalyptic number.

It is an amenable number.

1081651037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081651037 is an equidigital number, since it uses as much as digits as its factorization.

1081651037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1081651037 is about 32888.4635852756. The cubic root of 1081651037 is about 1026.5081228424.

The spelling of 1081651037 in words is "one billion, eighty-one million, six hundred fifty-one thousand, thirty-seven".