621125031461 has 8 divisors (see below), whose sum is σ = 677621955744. Its totient is φ = 564633275920.

The previous prime is 621125031421. The next prime is 621125031479. The reversal of 621125031461 is 164130521126.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-621125031461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621125031421) 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, 1038755 + ... + 1523568.

It is an arithmetic number, because the mean of its divisors is an integer number (84702744468).

Almost surely, 2^621125031461 is an apocalyptic number.

It is an amenable number.

621125031461 is a deficient number, since it is larger than the sum of its proper divisors (56496924283).

621125031461 is a wasteful number, since it uses less digits than its factorization.

621125031461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584371.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 621125031461 its reverse (164130521126), we get a palindrome (785255552587).

The spelling of 621125031461 in words is "six hundred twenty-one billion, one hundred twenty-five million, thirty-one thousand, four hundred sixty-one".