401253061 has 12 divisors (see below), whose sum is σ = 442210636. Its totient is φ = 363813120.

The previous prime is 401253007. The next prime is 401253121. The reversal of 401253061 is 160352104.

It can be written as a sum of positive squares in 2 ways, for example, as 266832225 + 134420836 = 16335^2 + 11594^2 .

It is not a de Polignac number, because 401253061 - 2¹⁵ = 401220293 is a prime.

It is a super-2 number, since 2×401253061² = 322008037923739442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401253661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43861 + ... + 52213.

Almost surely, 2^401253061 is an apocalyptic number.

It is an amenable number.

401253061 is a deficient number, since it is larger than the sum of its proper divisors (40957575).

401253061 is a wasteful number, since it uses less digits than its factorization.

401253061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772 (or 8761 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 401253061 is about 20031.3020295736. The cubic root of 401253061 is about 737.5748837493.

The spelling of 401253061 in words is "four hundred one million, two hundred fifty-three thousand, sixty-one".