401453651 has 2 divisors, whose sum is σ = 401453652. Its totient is φ = 401453650.

The previous prime is 401453617. The next prime is 401453671. The reversal of 401453651 is 156354104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401453651 is a prime.

It is a super-2 number, since 2×401453651² = 322330067802459602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401453671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200726825 + 200726826.

It is an arithmetic number, because the mean of its divisors is an integer number (200726826).

Almost surely, 2^401453651 is an apocalyptic number.

401453651 is a deficient number, since it is larger than the sum of its proper divisors (1).

401453651 is an equidigital number, since it uses as much as digits as its factorization.

401453651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 401453651 is about 20036.3083176517. The cubic root of 401453651 is about 737.6977700384.

The spelling of 401453651 in words is "four hundred one million, four hundred fifty-three thousand, six hundred fifty-one".