401254153 has 2 divisors, whose sum is σ = 401254154. Its totient is φ = 401254152.

The previous prime is 401254151. The next prime is 401254171. The reversal of 401254153 is 351452104.

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., 244203129 + 157051024 = 15627^2 + 12532^2 .

It is a cyclic number.

It is not a de Polignac number, because 401254153 - 2¹ = 401254151 is a prime.

It is a super-2 number, since 2×401254153² = 322009790599494818, which contains 22 as substring.

Together with 401254151, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (401254151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200627076 + 200627077.

It is an arithmetic number, because the mean of its divisors is an integer number (200627077).

Almost surely, 2^401254153 is an apocalyptic number.

It is an amenable number.

401254153 is a deficient number, since it is larger than the sum of its proper divisors (1).

401254153 is an equidigital number, since it uses as much as digits as its factorization.

401254153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 401254153 is about 20031.3292868946. The cubic root of 401254153 is about 737.5755528458.

The spelling of 401254153 in words is "four hundred one million, two hundred fifty-four thousand, one hundred fifty-three".