3401253021 has 8 divisors (see below), whose sum is σ = 4541951520. Its totient is φ = 2264028272.

The previous prime is 3401253017. The next prime is 3401253049. The reversal of 3401253021 is 1203521043.

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 3401253021 - 2² = 3401253017 is a prime.

It is a super-2 number, since 2×3401253021² = 23137044225723252882, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3401253091) 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, 866151 + ... + 870068.

It is an arithmetic number, because the mean of its divisors is an integer number (567743940).

Almost surely, 2^3401253021 is an apocalyptic number.

It is an amenable number.

3401253021 is a deficient number, since it is larger than the sum of its proper divisors (1140698499).

3401253021 is a wasteful number, since it uses less digits than its factorization.

3401253021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736875.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3401253021 is about 58320.2625251293. The cubic root of 3401253021 is about 1503.8792951750.

Adding to 3401253021 its reverse (1203521043), we get a palindrome (4604774064).

The spelling of 3401253021 in words is "three billion, four hundred one million, two hundred fifty-three thousand, twenty-one".