1035654421 has 2 divisors, whose sum is σ = 1035654422. Its totient is φ = 1035654420.

The previous prime is 1035654407. The next prime is 1035654437. The reversal of 1035654421 is 1244565301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 893711025 + 141943396 = 29895^2 + 11914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1035654421 is a prime.

It is a super-3 number, since 3×1035654421³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1035654461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517827210 + 517827211.

It is an arithmetic number, because the mean of its divisors is an integer number (517827211).

Almost surely, 2^1035654421 is an apocalyptic number.

It is an amenable number.

1035654421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035654421 is an equidigital number, since it uses as much as digits as its factorization.

1035654421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1035654421 is about 32181.5851225511. The cubic root of 1035654421 is about 1011.7462914053.

The spelling of 1035654421 in words is "one billion, thirty-five million, six hundred fifty-four thousand, four hundred twenty-one".