1457620501 has 2 divisors, whose sum is σ = 1457620502. Its totient is φ = 1457620500.

The previous prime is 1457620459. The next prime is 1457620531. The reversal of 1457620501 is 1050267541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 851180625 + 606439876 = 29175^2 + 24626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1457620501 - 2¹¹ = 1457618453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457620531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728810250 + 728810251.

It is an arithmetic number, because the mean of its divisors is an integer number (728810251).

Almost surely, 2^1457620501 is an apocalyptic number.

It is an amenable number.

1457620501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457620501 is an equidigital number, since it uses as much as digits as its factorization.

1457620501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1457620501 is about 38178.7964844362. The cubic root of 1457620501 is about 1133.8305539035.

The spelling of 1457620501 in words is "one billion, four hundred fifty-seven million, six hundred twenty thousand, five hundred one".